AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 205
![IC 8051 MCU FLASH 32K 64QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT89C5122D-PSTUM
Manufacturer Part Number
AT89C5122D-PSTUM
Description
IC 8051 MCU FLASH 32K 64QFN
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C5122D-PSTUM.pdf
(208 pages)
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
-
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Table of Contents
4202F–SCR–07/2008
Features ................................................................................................. 1
Pinout .................................................................................................... 5
Typical Applications ........................................................................... 15
16
Memory Organization ......................................................................... 18
Special Function Registers (SFR’s) .................................................. 31
Clock Controller .................................................................................. 39
I/O Port Definition ............................................................................... 51
Smart Card Interface Block (SCIB) ................................................... 62
Reference Documents .......................................................................................... 2
Product Description .............................................................................................. 3
AT8xC5122/AT83R5122 Block Diagram .............................................................. 4
AT83C5123 Block Diagram .................................................................................. 4
High Pin Count Package Description.................................................................... 5
Low Pin Count Package Description .................................................................. 10
Pin Description.................................................................................................... 11
Recommended External components ................................................................. 15
USB Keyboard with Smart Card Reader Using AT83R5122, AT8xC5122/AT89C5122DS
USB Smart Card Reader Using the AT83C5123 Version................................... 17
Program Memory Managament .......................................................................... 18
Data Memory Managament ................................................................................ 19
Dual Data Pointer Register (DDPTR) ................................................................. 20
Registers............................................................................................................. 22
AT8xC5122’s CRAM and E2PROM Versions .................................................... 24
AT83R5122, AT8xC5122’s ROM Version .......................................................... 28
AT83C5123 Version ........................................................................................... 30
Introduction ......................................................................................................... 31
AT8xC5122 Version............................................................................................ 32
AT83C5123 Version ........................................................................................... 33
SFR’s Description ............................................................................................... 34
On-Chip Oscillator .............................................................................................. 39
Phase Lock Loop (PLL) ...................................................................................... 40
Clock Tree Architecture ...................................................................................... 41
Registers............................................................................................................. 48
Port Configuration............................................................................................... 55
Registers............................................................................................................. 59
Block Diagram .................................................................................................... 63
AT83R5122, AT8xC5122/23
205
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