参数资料
型号: S80C196EA
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MICROCONTROLLER, PQFP16
封装: QFP-160
文件页数: 6/32页
文件大小: 869K
代理商: S80C196EA
80C196EA -
Commercial
10
Preliminary Datasheet
5.0
Address Map
Table 5. 80C196EA Address Map
Hex
Address
Description (Note 1, Note 2)
Addressing
Modes
FFFFFF
FF4000
External device (memory or I/O) connected to address/data bus
Indirect, indexed,
extended
FF3FFF
FF2140
Program memory
Indirect, indexed,
extended (3)
FF213F
FF20C0
Special-purpose memory (PIH vectors)
Indirect, indexed,
extended (3)
FF20BF
FF2080
Program memory
(After reset, the first instruction is fetched from FF2080H.)
Indirect, indexed,
extended (3)
FF207F
FF2000
Special-purpose memory (CCBs, interrupt vectors, PTS vectors)
Indirect, indexed,
extended
FF1FFF
FF1000
External device (memory or I/O) connected to address/data bus
Indirect, indexed,
extended
FF0FFF
FF0400
Internal code/data RAM (identically mapped from page 00H)
Indirect, indexed,
extended
FF03FF
FF0000
Reserved for in-circuit emulators
FEFFFF
1F0000
Overlaid memory (reserved for future devices);
locations
xF0000–xF03FFH are reserved for in-circuit emulators
Indirect, indexed,
extended
1EFFFF
002000
External device (memory or I/O) connected to address/data bus
Indirect, indexed,
extended
001FFF
001FE0
Memory-mapped special-function registers (SFRs)
Indirect, indexed,
extended
001FDF
001C00
Peripheral special-function registers (SFRs)
Indirect, indexed,
extended,
windowed direct
001BFF
001000
External device (memory or I/O) connected to address/data bus
Indirect, indexed,
extended
000FFF
000400
Internal code/data RAM (identically mapped into page FFH)
Indirect, indexed,
extended
0003FF
000100
Upper register file (general-purpose register RAM)
Indirect, indexed,
windowed direct
0000FF
00001A
Lower register file (general-purpose register RAM)
Direct, indirect,
indexed
000019
000000
Lower register file (stack pointer and CPU SFRs)
Direct, indirect,
indexed
NOTES:
1. Unless otherwise noted, write 0FFH to reserved memory locations and write 0 to reserved SFR bits.
2. The contents or functions of reserved locations may change in future device revisions, in which case a
program that relies on one or more of these locations might not function properly.
3. External memory occupies the boot memory partition, FF2080-FF3FFFH.
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