參數(shù)資料
型號: W921E400A
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位微控制器)
中文描述: 4-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP28
封裝: DIP-28
文件頁數(shù): 32/53頁
文件大小: 394K
代理商: W921E400A
W921E400A/W921C400
- 32 -
The hold mode can be released only by the RESET pin or the interrupt request signal. Before the
device enters the hold mode, the hold mode release flag1, 2, 3 (HMRF1, 2, 3, address = 036H, 037H,
038H) must be set to define the hold mode release conditions. If interrupt condition is met and
enabled in hold mode, the interrupt will be accepted to release hold mode and jump to interrupt vector
to execute interrupt service routine. For more details, refer to the following flags and flow chart.
HMRF1 register: (address = 036H, default data = 0H)
b3
b2
b1
b0
0: TM0 hold released disable
1: TM0 hold released enable
0: TM2 hold released disable
1: TM2 hold released enable
0: TM3 hold released disable
1: TM3 hold released enable
Reserved
HMRF2 register: (address = 037H, default data = 0H)
b3
b2
b1
b0
0: Serial port hold released disable
1: Serial port hold released enable
0: INT0 pin hold released disable
1: INT0 pin hold released enable
0: Comparator hold released disable
1: Comparator hold released enable
Reserved
HMRF3 register: (address = 038H, default data = 0H)
b3
b2
b1
b0
0: Pin P4.2 hold released disable
1: Pin P4.2 hold released enable
Reserved
Reserved
Reserved
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