參數資料
型號: GMS81524BTLQ
廠商: Hynix Semiconductor Inc.
元件分類: 8位微控制器
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: 48/110頁
文件大?。?/td> 1980K
代理商: GMS81524BTLQ
GMS81508B/16B/24B, GMS82512/16/24
MAY. 2001 Ver 2.0
45
11.2 16-bit Timer / Counter Mode
The Timer register is being run with all 16 bits. A 16-bit
timer/counter register T0, T1 are incremented from 0000
H
until it matches TDR0, TDR1 and then resets to 0000
H
.
The match output generates Timer 0 interrupt.
The clock source of the Timer 0 is selected either internal
or external clock by bit T0SL1, T0SL0.
Even if the Timer 0 (including the Timer 1) is used as a 16-
bit timer, the Timer 2 and Timer 3 can still be used as either
two 8-bit timer or one 16-bit timer by setting the TM2. Re-
versely, even if the Timer 2 (including the Timer 3) is used
as a 16-bit timer, the Timer 0 and Timer 1 can still be used
as 8-bit timer independently.
Figure 11-8 16-bit Timer/Counter
EC0 PIN
÷
4
÷
16
÷
64
XIN PIN
MUX
P
T0IF
clear
0: Stop
1: Clear and start
T0ST
T0SL[1:0]
“00”
“01”
“10”
“11”
TIMER 0
INTERRUPT
T0CN
TDR1 + TDR0
(16-bit)
Comparator
TIMER 0 + TIMER 1
TIMER 0 (16-bit)
Higher byte Lower byte
COMPARE DATA
T1 + T0
(16-bit)
1
0
(Not Timer 1 interrupt)
EDGE DETECTOR
BTCL
T0ST
7
6
5
4
3
2
1
0
T1ST
CAP0
T0SL1
INITIAL VALUE: 00
H
ADDRESS: 0E2
H
TM0
T0SL0
T0CN
T1SL1 T1SL0
0
X
X
X
X
X
0
0
X means don’t care
EC2 PIN
÷
4
÷
16
÷
64
XIN PIN
MUX
P
T2IF
clear
0: Stop
1: Clear and start
T2ST
T2SL[1:0]
“00”
“01”
“10”
“11”
TIMER 2
INTERRUPT
T2CN
TDR3 + TDR2
(16-bit)
Comparator
TIMER 2 + TIMER 3
TIMER 2 (16-bit)
Higher byte Lower byte
COMPARE DATA
T3 + T2
(16-bit)
1
0
(Not Timer 3 interrupt)
EDGE DETECTOR
BTCL
T2ST
7
6
5
4
3
2
1
0
T3ST
CAP2
T2SL1
INITIAL VALUE: 00
H
ADDRESS: 0E3
H
TM2
T2SL0
T2CN
T3SL1 T3SL0
0
X
X
X
X
X
0
0
X means don’t care
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