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
文件頁數(shù): 29/45頁
文件大?。?/td> 549K
代理商: HMS77C1001A
HMS77C1000A/HMS77C1001A
26
Oct. 2001 Ver. 2.0
11. TIMER0 MODULE AND TMR0 REGISTER
The Timer0 module has the following features:
8-bit timer/counter register, TMR0
8-bit software programmable prescaler
Internal or external clock select
Edge select for external clock
Figure 11-1 is a simplified block diagram of the Timer0
module, while Figure 11-2 shows the electrical structure of
the Timer0 input
.
FIGURE 11-1 BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
FIGURE 11-2 ELECTRICAL STRUCTURE OF EC0 PIN
T
CY
( = F
OSC
/4)
1
8-bit Prescaler
EC0
pin
0
Sync with
Internal
Clocks
TMR0 reg
8
Data bus
(2cycle delay)
T0SE
8
T0CS
MUX
0
1
MUX
1
0
PSA
MUX
8 - to - 1 MUX
Watchdog
Timer
MUX
PS2:PS0
PSA
PSA
1
0
WDT Time-Out
WDT Enable bit
clear
ECO
pin
P
N
R
IN
Schmitt Trigger
Input Buffer
(1)
Note 1: ESD protection circuits
Noise Filter
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