參數(shù)資料
型號(hào): HMS77C1001A
廠商: Hynix Semiconductor Inc.
元件分類: 數(shù)學(xué)處理器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁(yè)數(shù): 26/45頁(yè)
文件大?。?/td> 549K
代理商: HMS77C1001A
HMS77C1000A/HMS77C1001A
Oct. 2001 Ver. 2.0
23
FIGURE 9-10 OPTION REGISTER
LOWOPT
W
PFDEN
W
T0CS
W
T0SE
W
PSA
W
PS2
W
PS1
W
PS0
W
bit7
6
bit0
5
4
3
2
1
LOWOPT
: Power-fail detection level select bit.
1 = Lowered detection level (1.8V @ 5V)
0 = Normal detection level (2.7V @ 5V)
PFDEN
: Power-fail detection enable bit
1 = Enable power-fail detection
0 = Disable power-fail detection
T0CS
: Timer 0 clock source select bit
1 = Transition on EC0 pin
0 = Internal instruction cycle clock
T0SE
: Timer 0 source edge select bit
1 = Increment on high-to-low transition on
EC0
0 = Increment on low-to-high transition on
EC0
PSA
: Prescaler assignment bit
1 = Prescaler assigned to the WDT
0 = Prescaler assigned to the Timer 0
PS2-PS0
: Prescaler rate select bits)
Bit Value
Timer 0 rate
WDT rate
000
1:2
1:1
001
1:4
1:2
010
1:8
1:4
011
1:16
1:8
100
1:32
1:16
101
1:64
1:32
110
1:128
1:64
111
1:256
1:128
W = Writable bit
-n = Value at POR reset
ADDRESS ; N/A
RESET VALUE : 0011_1111
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