Rainbow Electronics AT89C5122 User Manual
Page 4
4
AT8xC5122/23
4202E–SCR–06/06
Note:
The PLCC28 pinout is common to AT8xC5122 and AT83C5123 products
Table 1. Product versions
Features
AT83C5122
AT83EC5122
AT85C5122
AT89C5122
AT89C5122DS
AT83C5123
AT83EC5123
Packages
VQFP64
QFN64
PLCC28
Die Form
VQFP64
PLCC28
PLCC68
VQFP64
PLCC28
Die Form
VQFP64
QFN64
PLCC28
VQFP64
QFN64
VQFP32
QFN32
PLCC28
Die Form
QFN32
VQFP32
PLCC28
Program memory
32KB ROM
30KB ROM
32KB CRAM
32KB
E2PROM
32KB E2PROM
30KB ROM
30KB ROM
Internal Data E2PROM
No
512 Bytes
No
No
No
No
512 Bytes
Embedded bootloader
No
No
Yes
Yes
Yes
No
No
Features
VQFP32,
QFN32
packages
Features not available :
- Keyboard Interface
- Master/Slave SPI
Interface
- External Program Memory
Access
Reduced features :
- Only 12 I/O with up to 4
LED Outputs with
Programmable Current
PLCC68,
VQFP64,QFN64
packages
All features are available
All features are
available
except External
Program Memory
Access
PLCC28 package
Features not available :
- Alternate Smart Card Interface
- Keyboard Interface
- Master/Slave SPI Interface
- External Program Memory Access
Reduced features :
- Only 7 I/O with up to 4 LED Outputs with Programmable Current