AT83C5122_08 ATMEL [ATMEL Corporation], AT83C5122_08 Datasheet - Page 30
AT83C5122_08
Manufacturer Part Number
AT83C5122_08
Description
C51 Microcontroller with USB and Smart Card Reader Interfaces
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT83C5122_08.pdf
(208 pages)
- Current page: 30 of 208
- Download datasheet (3Mb)
AT83C5123 Version
Figure 14. AT83C5123’s Device
30
PROGRAM MEMORY
(Read only)
DATA MEMORY
(Read / Write)
AT83R5122, AT8xC5122/23
RESET@
<0000>
OPTIONAL
The AT83C5123 device is a low pin count version of the AT8xC5122.
The ROM version implements :
- 30 KB of ROM mapped from 0000 to 77FF in which is embedded the user code. The
ROM device is only factory programmable.
- 512 bytes of E2PROM can be optionally implemented to store permanent data
01FF
01FF
0000
0000
7FFF
INTERNAL
512 Bytes
512 bytes
E2PROM
INTERNAL
30K ROM
On-chip
XRAM
On-Chip 256 bytes RAM
FF
80
7F
00
Indirect
Addressing
128 Bytes
Upper
RAM
128 Bytes
Lower
RAM
FF
80
Direct
Addressing
Space
SFR
4202F–SCR–07/2008
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