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參數資料
型號: W921E840
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-Bit Microcontroller(4位的微控制器)
中文描述: 4-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 14/64頁
文件大小: 603K
代理商: W921E840
W921E840
- 14 -
6.2.1 Special Control Register Map, continued
DESCRIPTION
ABBREVIATION
02CH
02DH
TM2 LSB Data Register
0FH
00H
(STTM2)
(TGTM2)
TM2 Trigger Condition Register
TM3 Control Register
02FH
030H
00H
0FH
(TM3MSB)
(TM3LSB)
TM3 LSB Data Register
TM3 Status Register
032H
033H
034H
00H
-
00H
(ENINT)
(STPRF)
Stop Mode Released Flag
Hold Mode Released Flag 1
036H
037H
00H
00H
(HMRF2)
(HMRF3)
Hold Mode Released Flag 3
Interrupt Control Register 1
039H
03AH
00H
00H
(INTCT2)
(INTCT3)
Interrupt Control Register 3
Hold Released Status Flag 1
03CH
03DH
00H
00H
(HRSTS2)
(HRSTS3)
Hold Released Status Flag 3
Beep Tone Generator Register
03FH
00H
6.2.2 Stack Register Area
stack pointer will be set to 0FFH. The stack pointer will be decreased by 4 when the CALL/ CALLP or
interrupt is accepted, and will be increased by 4 when the RTN or RTNI instruction is executed. The
0FFH
0FEH
0FDH
0FCH
0FBH
0FAH
0F9H
0F8H
Stack 0
Stack 1
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PC8
PC9
PC10
PC11
Z
C
PC0
PC12
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PC8
PC9
PC10
PC11
Z
C
PC12
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