AT89C5122D-RDTUM Atmel, AT89C5122D-RDTUM Datasheet - Page 3
![IC 8051 MCU FLASH 32K 64VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C5122D-RDTUM
Manufacturer Part Number
AT89C5122D-RDTUM
Description
IC 8051 MCU FLASH 32K 64VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C5122D-PSTUM.pdf
(208 pages)
Specifications of AT89C5122D-RDTUM
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-TQFP, 64-VQFP
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-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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- Download datasheet (3Mb)
Product Description
4202F–SCR–07/2008
Table 1. Product versions
Features
Packages
Program memory
Internal Data E2PROM
Embedded bootloader
Features
VQFP64,QFN64
packages
packages
VQFP32,
PLCC68,
QFN32
AT83C5122
AT83R5122
32KB ROM
Die Form
VQFP64
AT8xC5122/23 products are high-performance CMOS derivatives of the 80C51 8-bit
microcontrollers designed for USB smart card reader applications.
The AT8xC5122 is proposed in four versions :
- ROM version referenced AT83R5122 is only factory programmable.
- CRAM version without internal data E2PROM. The CRAM device implements a vola-
tile program memory which is programmed by means of an embedded ROMed
bootloader which transfers the code from a remote software programming tool called
FLIP through UART or USB interfaces.
- Flash version without internal data E2PROM. At power-up, the program located in the
flash memory is transferred into the CRAM then executed.
The AT83C5123 is a low pin count of the AT8xC5122 and is proposed in ROM version
with or without internal data E2PROM. The ROM device is only factory programmable.
The AT8xC5122DS is a secure version of the AT8xC5122 on which the external pro-
gram memory access mode is disabled.
QFN64
No
No
All features are available
AT85C5122
32KB CRAM
Die Form
PLCC68
VQFP64
Yes
No
32KB E2PROM
AT89C5122
AT83R5122, AT8xC5122/23
VQFP64
QFN64
Yes
No
Program Memory
AT89C5122DS
32KB E2PROM
except External
All features are
available
VQFP64
QFN64
Access
Yes
No
to 4 LED Outputs with
- Keyboard Interface
- Only 12 I/O with up
Reduced features :
- Master/Slave SPI
- External Program
Memory Access
Programmable
Features not
AT83C5123
30KB ROM
available :
Die Form
Interface
VQFP32
Current
QFN32
No
No
3
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