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參數(shù)資料
型號(hào): W77E468
廠商: WINBOND ELECTRONICS CORP
元件分類: 8位微控制器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 28/84頁
文件大小: 531K
代理商: W77E468
Preliminary W77E468
- 28 -
TIMER 2 MSB
Bit:
7
6
5
4
3
2
1
0
TH2.7
TH2.6
TH2.5
TH2.4
TH2.3
TH2.2
TH2.1
TH2.0
Mnemonic: TH2
Address: CDh
TH2:
Timer 2 MSB
PROGRAM STATUS WORD
Bit:
7
6
5
4
3
2
1
0
CY
AC
F0
RS1
RS0
OV
F1
P
Mnemonic: PSW
Address: D0h
CY:
Carry flag: Set for an arithmetic operation which results in a carry being generated from the
ALU. It is also used as the accumulator for the bit operations.
Auxiliary carry: Set when the previous operation resulted in a carry from the high order nibble.
User flag 0: General purpose flag that can be set or cleared by the user.
RS.1-0:Register bank select bits:
AC:
F0:
RS1 RS0
0
0
1
1
Register bank
Address
00-07h
08-0Fh
10-17h
18-1Fh
0
1
0
1
0
1
2
3
OV:
Overflow flag: Set when a carry was generated from the seventh bit but not from the 8th bit
as a result of the previous operation, or vice-versa.
User Flag 1: General purpose flag that can be set or cleared by the user by software.
Parity flag: Set/cleared by hardware to indicate odd/even number of 1's in the accumulator.
F1:
P:
WATCHDOG CONTROL
Bit:
7
6
5
4
3
2
1
0
SMOD_1
POR
-
-
WDIF
WTRF
EWT
RWT
Mnemonic: WDCON
Address: D8h
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