Atmel AT89C5132 Manuel utilisateur

Features

•Programmable Audio Output for Interfacing with Common Audio DAC

– PCM Format Compatible

–I

2S Format Compatible

•8-bit MCU C51 Core-based (FMAX = 20 MHz)

•2304 Bytes of Internal RAM

•64K Bytes of Code Memory

– AT89C5132: Flash (100K Write/Erase Cycles)

•4K Bytes of Boot Flash Memory (AT89C5132)

– ISP: Download from USB (standard) or UART (option)

•USB Rev 1.1 Device Controller

– “Full Speed” Data Transmission

•Built-in PLL

•MultiMedia Card®Interface Compatibility

•Atmel DataFlash®SPI Interface Compatibility

•IDE/ATAPI Interface

•2 Channels 10-bit ADC, 8 kHz (8 True Bits)

– Battery Voltage Monitoring

– Voice Recording Controlled by Software

•Up to 44 Bits of General-purpose I/Os

– 4-bit Interrupt Keyboard Port for a 4 x n Matrix

–SmartMedia

®Software Interface

•Two Standard 16-bit Timers/Counters

•Hardware Watchdog Timer

•Standard Full Duplex UART with Baud Rate Generator

•Two Wire Master and Slave Modes Controller

•SPI Master and Slave Modes Controller

•Power Management

– Power-on Reset

– Software Programmable MCU Clock

– Idle Mode, Power-down Mode

•Operating Conditions

–3V,±10%, 25 mA Typical Operating at 25°C

– Temperature Range: -40°C to +85°C

•Packages

– TQFP80, PLCC84 (Development Board Only)

–Dice

1. Description

The AT89C5132 is a mass storage device controlling data exchange between various

Flash modules, HDD and CD-ROM.

The AT89C5132 includes 64K Bytes of Flash memory and allows In-System Program-

ming through an embedded 4K Bytes of Boot Flash Memory.

The AT89C5132 include 2304 Bytes of RAM memory.

The AT89C5132 provides all the necessary features for man-machine interface

including, timers, keyboard port, serial or parallel interface (USB, SPI, IDE), ADC

input, I2S output, and all external memory interface (NAND or NOR Flash, SmartMe-

dia, MultiMedia, DataFlash cards).

2. Typical Applications

• Flash Recorder/Writer

• PDA, Camera, Mobile Phone

• PC Add-on

USB

Microcontroller

with 64K Bytes

Flash Memory

AT89C5132

4173ES–USB–09/07

2 4173ES–USB–09/07

AT89C5132

3. Block Diagram

Figure 3-1. AT89C5132 Block Diagram

Notes: 1. Alternate function of Port 3

2. Alternate function of Port 4

3. Alternate function of Port 1

8-BIT INTERNAL BUS

Clock and PLL

Unit

C51 (X2 CORE)

RAM

2304 Bytes

Flash

Interrupt

Handler Unit

FILT X2X1

MMC

Interface

I/O

MDAT P0 - P5

10-bit A-to-D

Converter

VSS

VDD

Keyboard

Interface

KIN3:0

I2S/PCM

Audio Interface

AVSSAVDD AIN1:0

Ports

INT0 INT1 MOSIMISO

Timers 0/1

T1T0

SPI/DataFlash

Controller

MCLK MCMD

SCK

RST

AREF

DSELDCLK SCLKDOUT

64K Bytes

USB

Controller

D+ D-

UART

RXDTXD

IDE

Interface

Watchdog

Flash Boot

4K Bytes

UVSSUVDD

and

BRG

11 11 112222

TWI

Controller

SCL SDA

4173ES–USB–09/07

AT89C5132

4. Pin Description

Figure 4-1. AT89C5132 80-pin TQFP Package

P0.3/AD3

P0.4/AD4

P0.5/AD5

VSS

VDD

P0.6/AD6

P0.7/AD7

P2.0/A8

P2.1/A9

P3.1/TXD

P3.2/INT0

P3.3/INT1

P3.4/T0

P3.0/RXD

P2.2/A1

P2.3/A1

P2.4/A1

P2.6/A1

P2.5/A1

P2.7/A1

MCLK

MDAT

MCMD

P0.2/AD2

P0.1/AD1

P0.0/AD0

PVSS

VSS

TST

VSS

P4.3/SS

P4.2/SCK

P4.1/MOSI

P4.0/MISO

VSS

VDD

RST

SCLK

DSEL

DCLK

DOUT

AIN1

AIN0

AREFN

AREFP

AVSS

AVDD

P3.7/RD

P3.6/WR

P3.5/T1

VDD

P1.0/KIN0

P1.1/KIN1

P1.2/KIN2

P1.3/KIN3

P1.4

P1.5

P1.7/SDA

FILT

PVDD

VDD

P1.6/SCL

ALE

ISP

UVDD

UVSS

P5.0

P5.1

P4.7

P4.6

D-

D+

P5.3

P5.2

VSS

VDD

P4.5

P4.4

TQFP80

4 4173ES–USB–09/07

AT89C5132

Figure 4-2. AT89C5132 84-pin PLCC (1)

Note: 1. For development board only.

4.1 Signals

All the AT89C5132 signals are detailed by functionality in Table 1 to Table 14.

Table 1. Ports Signal Description

PLCC84

P0.3/AD3

P0.4/AD4

P0.5/AD5

VSS

VDD

P0.6/AD6

P0.7/AD7

P2.0/A8

P2.1/A9

P3.3/INT1

P3.4/T0

P3.5/T1

P3.6/WR

P3.2/INT0

P2.3/A11

P2.4/A12

P2.6/A14

P2.5/A13

P2.7/A15

MCLK

MDAT

MCMD

P0.2/AD2

P0.1/AD1

P5.0

PAVSS

VSS

P3.1/TXD

P4.3/SS

P4.2/SCK

P4.1/MOSI

P4.0/MISO

VSS

VDD

RST

SCLK

DSEL

DCLK

DOUT

AIN1

AIN0

AREFN

AREFP

AVSS

AVDD

VSS

VDD

P3.7/RD

P3.0/RXD

P1.0/KIN0

P1.1/KIN1

P1.2/KIN2

P1.3/KIN3

P1.4

P1.5

P1.7/SDA

FILT

PAVDD

VDD

P1.6/SCL

TST

P5.2

P0.0/AD0

P2.2/A10

ALE

ISP

P5.1

P4.7

P4.6

UVDD

UVSS

71 P4.4

P4.5

VDD

VSS

D-

D+

P5.3

Signal

Name Type Description Alternate

Function

P0.7:0 I/O

Port 0

P0 is an 8-bit open-drain bidirectional I/O port. Port 0 pins that have 1s written

to them float and can beused as high impedance inputs. To avoid any parasitic

current consumption, floating P0 inputs must be polarized to VDD or VSS.

AD7:0

P1.7:0 I/O Port 1

P1 is an 8-bit bidirectional I/O port with internal pull-ups.

KIN3:0

SCL

SDA

4173ES–USB–09/07

AT89C5132

Table 2. Clock Signal Description

Table 3. Timer 0 and Timer 1 Signal Description

P2.7:0 I/O Port 2

P2 is an 8-bit bidirectional I/O port with internal pull-ups. A15:8

P3.7:0 I/O Port 3

P3 is an 8-bit bidirectional I/O port with internal pull-ups.

RXD

TXD

INT0

INT1

P4.7:0 I/O Port 4

P4 is an 8-bit bidirectional I/O port with internal pull-ups.

MISO

MOSI

SCK

P5.3:0 I/O Port 5

P5 is a 4-bit bidirectional I/O port with internal pull-ups. -

Signal

Name Type Description Alternate

Function

X1 I

Input to the on-chip inverting oscillator amplifier

To use the internal oscillator, a crystal/resonator circuit is connected to this pin.

If an external oscillator is used, its output is connected to this pin. X1 is the

clock source for internal timing.

X2 O Output of the on-chip inverting oscillator amplifier

To use the internal oscillator, a crystal/resonator circuit is connected to this pin.

If an external oscillator is used, leave X2 unconnected. -

FILT I PLL Low Pass Filter input

FILT receives the RC network of the PLL low pass filter. -

Signal

Name Type Description Alternate

Function

INT0 I

Timer 0 Gate Input

INT0 serves as external run control for timer 0, when selected by GATE0 bit in

TCON register.

External Interrupt 0

INT0 input sets IE0 in the TCON register. If bit IT0 in this register is set, bit IE0

is set by a falling edge on INT0. If bit IT0 is cleared, bit IE0 is set by a low level

on INT0.

P3.2

INT1 I

Timer 1 Gate Input

INT1 serves as external run control for timer 1, when selected by GATE1 bit in

TCON register.

External Interrupt 1

INT1 input sets IE1 in the TCON register. If bit IT1 in this register is set, bit IE1

is set by a falling edge on INT1. If bit IT1 is cleared, bit IE1 is set by a low level

on INT1.

P3.3

Signal

Name Type Description Alternate

Function

6 4173ES–USB–09/07

AT89C5132

Table 4. Audio Interface Signal Description

Table 5. USB Controller Signal Description

Table 6. MutiMediaCard Interface Signal Description

T0 I Timer 0 External Clock Input

When timer 0 operates as a counter, a falling edge on the T0 pin increments

the count. P3.4

T1 I Timer 1 External Clock Input

When timer 1 operates as a counter, a falling edge on the T1 pin increments

the count. P3.5

Signal

Name Type Description Alternate

Function

DCLK O DAC Data Bit Clock -

DOUT O DAC Audio Data -

DSEL O DAC Channel Select Signal

DSEL is the sample rate clock output. -

SCLK O DAC System Clock

SCLK is the oversampling clock synchronized to the digital audio data (DOUT)

and the channel selection signal (DSEL). -

Signal

Name Type Description Alternate

Function

D+ I/O USB Positive Data Upstream Port

This pin requires an external 1.5 KΩpull-up to VDD for full speed operation. -

D- I/O USB Negative Data Upstream Port -

Signal

Name Type Description Alternate

Function

MCLK O MMC Clock output

Data or command clock transfer. -

MCMD I/O

MMC Command line

Bidirectional command channel used for card initialization and data transfer

commands. To avoid any parasitic current consumption, unused MCMD input

must be polarized to VDD or VSS.

MDAT I/O MMC Data line

Bidirectional data channel. To avoid any parasitic current consumption, unused

MDAT input must be polarized to VDD or VSS.-

Signal

Name Type Description Alternate

Function

4173ES–USB–09/07

AT89C5132

Table 7. UART Signal Description

Table 8. SPI Controller Signal Description

Table 9. TWI Controller Signal Description

Table 10. A/D Converter Signal Description

Signal

Name Type Description Alternate

Function

RXD I/O Receive Serial Data

RXD sends and receives data in serial I/O mode 0 and receives data in serial

I/O modes 1, 2 and 3. P3.0

TXD O Transmit Serial Data

TXD outputs the shift clock in serial I/O mode 0 and transmits data in serial I/O

modes 1, 2 and 3. P3.1

Signal

Name Type Description Alternate

Function

MISO I/O SPI Master Input Slave Output Data Line

When in master mode, MISO receives data from the slave peripheral. When in

slave mode, MISO outputs data to the master controller. P4.0

MOSI I/O SPI Master Output Slave Input Data Line

When in master mode, MOSI outputs data to the slave peripheral. When in

slave mode, MOSI receives data from the master controller. P4.1

SCK I/O SPI Clock Line

When in master mode, SCK outputs clock to the slave peripheral. When in

slave mode, SCK receives clock from the master controller. P4.2

SS ISPI Slave Select Line

When in controlled slave mode, SS enables the slave mode. P4.3

Signal

Name Type Description Alternate

Function

SCL I/O

TWI Serial Clock

When TWI controller is in master mode, SCL outputs the serial clock to the

slave peripherals. When TWI controller is in slave mode, SCL receives clock

from the master controller.

P1.6

SDA I/O TWI Serial Data

SDA is the bidirectional Two Wire data line. P1.7

Signal

Name Type Description Alternate

Function

AIN1:0 I A/D Converter Analog Inputs -

AREFP I Analog Positive Voltage Reference Input -

AREFN I Analog Negative Voltage Reference Input

This pin is internally connected to AVSS. -

8 4173ES–USB–09/07

AT89C5132

Table 11. Keypad Interface Signal Description

Table 12. External Access Signal Description

Table 13. System Signal Description

Signal

Name Type Description Alternate

Function

KIN3:0 I Keypad Input Lines

Holding one of these pins high or low for 24 oscillator periods triggers a

keypad interrupt. P1.3:0

Signal

Name Type Description Alternate

Function

A15:8 I/O Address Lines

Upper address lines for the external bus.

Multiplexed higher address and data lines for the IDE interface. P2.7:0

AD7:0 I/O Address/Data Lines

Multiplexed lower address and data lines for the external memory or the IDE

interface. P0.7:0

ALE O

Address Latch Enable Output

ALE signals the start of an external bus cycle and indicates that valid address

information is available on lines A7:0. An external latch is used to demultiplex

the address from address/data bus.

ISP I/O ISP Enable Input

This signal must be held to GND through a pull-down resistor at the falling

reset to force execution of the internal bootloader. -

RD ORead Signal

Read signal asserted during external data memory read operation. P3.7

WR OWrite Signal

Write signal asserted during external data memory write operation. P3.6

Signal

Name Type Description Alternate

Function

RST I

Reset Input

Holding this pin high for 64 oscillator periods while the oscillator is running

resets the device. The Port pins are driven to their reset conditions when a

voltage lower than VIL is applied, whether or not the oscillator is running.

This pin has an internal pull-down resistor which allows the device to be reset

by connecting a capacitor between this pin and VDD.

Asserting RST when the chip is in Idle mode or Power-Down mode returns the

chip to normal operation.

TST I Test Input

Test mode entry signal. This pin must be set to VDD.-

4173ES–USB–09/07

AT89C5132

Table 14. Power Signal Description

Signal

Name Type Description Alternate

Function

VDD PWR Digital Supply Voltage

Connect these pins to +3V supply voltage. -

VSS GND Circuit Ground

Connect these pins to ground. -

AVDD PWR Analog Supply Voltage

Connect this pin to +3V supply voltage. -

AVSS GND Analog Ground

Connect this pin to ground. -

PVDD PWR PLL Supply voltage

Connect this pin to +3V supply voltage. -

PVSS GND PLL Circuit Ground

Connect this pin to ground. -

UVDD PWR USB Supply Voltage

Connect this pin to +3V supply voltage. -

UVSS GND USB Ground

Connect this pin to ground. -

10 4173ES–USB–09/07

AT89C5132

4.2 Internal Pin Structure

Table 15. Detailed Internal Pin Structure

Notes: 1. For information on resistors value, input/output levels, and drive capability, refer to the

Section “DC Characteristics”, page 183.

2. When the Two Wire controller is enabled, P1, P2, and P3transistors are disabled allowing

pseudo open-drain structure.

3. In Port 2, P1transistor is continuously driven when outputting a high level bit address (A15:8).

Circuit(1) Type Pins

Input TST

Input/Output RST

Input/Output

P1(2)

P2(3)

P53:0

Input/Output

MCMD

MDAT

ISP

PSEN

Output

ALE

SCLK

DCLK

DOUT

DSEL

MCLK

Input/Output D+

D-

TST

VDD

RST

VSS

VDD

Watchdog Output

VSS

VDD VDD

2 osc

Latch Output periods P2

VDD

VSS

VDD

VSS

VDD

D+

D-

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