參數(shù)資料
型號: W77IE58
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 25 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數(shù): 13/90頁
文件大?。?/td> 409K
代理商: W77IE58
Preliminary W77IE58
Publication Release Date: July 2000
- 13 -
Revision A1
Table 1. Special Function Register Location Table
F8
EIP
F0
B
E8
EIE
E0
ACC
D8
WDCON
D0
PSW
C8
T2CON
T2MOD
RCAP2L
RCAP2H
TL2
TH2
C0
SCON1
SBUF1
ROMMAP
PMR
STATUS
TA
B8
IP
SADEN
SADEN1
B0
P3
A8
IE
SADDR
SADDR1
A0
P2
P4
98
SCON0
SBUF
90
P1
EXIF
88
TCON
TMOD
TL0
TL1
TH0
TH1
CKCON
80
P0
SP
DPL
DPH
DPL1
DPH1
DPS
PCON
Note: The SFRs in the column with dark borders are bit-addressable.
A brief description of the SFRs now follows.
Port 0
Bit:
7
6
5
4
3
2
1
0
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
Mnemonic: P0
Address: 80h
Port 0 is an open-drain bi-directional I/O port. This port also provides a multiplexed low order
address/data bus during accesses to external memory.
Stack Pointer
Bit:
7
6
5
4
3
2
1
0
SP.7
SP.6
SP.5
SP.4
SP.3
SP.2
SP.1
SP.0
Mnemonic: SP
Address: 81h
The Stack Pointer stores the Scratchpad RAM address where the stack begins. In other words, it
always points to the top of the stack.
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