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參數(shù)資料
| 型號： | 8XC196LX |
| 英文描述： | 8XC196Lx - 8XC196Lx Supplement to 8X196Kx. 8X196Jx. 87C196CA User＇s Manual |
| 中文描述： | 8XC196Lx - 8XC196Lx補編8X196Kx。 8X196Jx。 87C196CA用戶手冊 |
| 文件頁數(shù)： | 26/136頁 |
| 文件大?。?/td> | 659K |
| 代理商： | 8XC196LX |
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8XC196LXSUPPLEMENT
3-2
3.2
REGISTER FILE
Figure 3-1 compares the register file addresses of the 8XC196L
x
and 8XC196K
x
. The register
file in Figure 3-1 is divided into an upper register file and a lower register file. The upper register
file consists of general-purpose register RAM. The lower register file contains general-purpose
register RAM along with the stack pointer (SP) and the CPU special-function registers (SFRs).
Table 3-2 lists the register file memory addresses. The RALU accesses the lower register file di-
rectly, without the use of the memory controller. It also accesses a
windowed
location directly
(see
“Windowing” on page 3-6). The upper register file and the peripheral SFRs can be win-
dowed. Registers in the lower register file and registers being windowed can be accessed with
register-direct addressing.
NOTE
The register file must not contain code. An attempt to execute an instruction
from a location in the register file causes the memory controller to fetch the
instruction from external memory.
1BFF
0500
1BFF
0500
1BFF
0600
—
1BFF
0600
1BFF
0600
External device (memory
or I/O) connected to
address/data bus
Indirect or
indexed
04FF
0400
04FF
0400
—
—
05FF
0400
05FF
0400
Internal code or data RAM
Indirect or
indexed
—
03FF
0200
05FF
0180
—
—
—
External device (memory
or I/O) connected to
address/data bus
Indirect or
indexed
03FF
0100
01FF
0100
017F
0100
02FF
0100
03FF
0100
03FF
0100
Upper register file
(general-purpose register
RAM)
Indirect,
indexed, or
windowed
direct
Direct,
indirect, or
indexed
00FF
0000
00FF
0000
00FF
0000
00FF
0000
00FF
0000
00FF
0000
Lower register file
(register RAM, stack
pointer, and CPU SFRs)
Table 3-1. Address Map (Continued)
Device and Hex Address Range
Description
Addressing
Modes
C
J
L
L
J
J
NOTES:
1.
After a reset, the device fetches its first instruction from 2080H.
2.
The content or function of these locations may change in future device revisions, in which case
a program that relies on a location in this range might not function properly.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 8XC196MC | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:INDUSTRIAL MOTOR CONTROL MICROCONTROLLER |
| 8XC196MD | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:INDUSTRIAL MOTOR CONTROL MICROCONTROLLER |
| 8XC196MH | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:8XC196MH INDUSTRIAL MOTOR CONTROL CHMOS MICROCONTROLLER |
| 8XC196NP | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:COMMERCIAL CHMOS 16-BIT MICROCONTROLLER |
| 8XC196NT | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS MICROCONTROLLER WITH 1 MBYTE LINEAR ADDRESS SPACE |
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