AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 4

• Manufacturer Part Number: AT89C5122D-PSTUM
• Description: IC 8051 MCU FLASH 32K 64QFN
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C5122D-PSTUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: SmartCard, SPI, UART/USART, USB
• Peripherals: LED, POR, WDT
• Number Of I /o: 46
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFN
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-03 - KIT STARTER FOR MCU AT8XC5122/23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

AT8xC5122/AT83R5122 Block Diagram
AT83C5123 Block Diagram
4
XTAL1
XTAL2
XTAL1
XTAL2
PLLF
PLLF
RST
RST
AT83R5122, AT8xC5122/23
PORT
8-BIT
WATCH-DOG
WATCH-DOG
Oscillator
Oscillator
8 MHz
RESET
8 MHz
RESET
PLL
POR
PFD
POR
PLL
PFD
PORT
3-BIT
Regulator
Regulator
PORT
256 x 8
PORT
3-BIT
8-BIT
256 x 8
3.3 V
RAM
3.3 V
RAM
PORT
PORT
8-BIT
8-BIT
Parallel I/O Ports
ROM (1)
32K x 8
256 x 8
Parallel I/O Ports
256 x 8
30K x 8
RAM
RAM
ROM
PORT
PORT
6-BIT
1-BIT
CRAM (1)
512 x 8
32K x 8
E2PROM (1)
XRAM
512 x 8
XRAM
512 x 8
PORT
8-BIT
LED's
Interf ace
E2PROM (1)
E2PROM (1)
UART
INTERNAL ADDRESS AND DATA BUS
Interf ace
32K x 8
512 x 8
UART
LED's
INTERNAL ADDRESS AND DATA BUS
Note 1 : the implementation of these f eatures depends on product v ersions
TIMERS
16-BIT
Interf ace
Interf ace
TIMERS
16-BIT
KBD
SPI
Controller
Interrupt
Note 1 : the implementation of these f eatures depends on product v ersions
Controller
Interrupt
External Memory
Controller
Alternate
Card
Alternate
Card
Conv erter
Interf ace
DC/DC
Conv erter
USB
Interf ace
DC/DC
USB
Regulator
3.3V
Regulator
3.3V
4202F–SCR–07/2008
CPRES
CRST
CCLK
CIO
CC4
CC8
CPRES
CRST
CCLK
CIO
CC4
CC8