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參數(shù)資料
| 型號(hào)： | GMS81516BTQ |
| 廠商： | Hynix Semiconductor Inc. |
| 元件分類(lèi)： | 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(yè)數(shù)： | 44/110頁(yè) |
| 文件大?。?/td> | 1980K |
| 代理商： | GMS81516BTQ |
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GMS81508B/16B/24B, GMS82512/16/24
MAY. 2001 Ver 2.0
41
11.1 8-bit Timer / Counter Mode
The GMS815xxB and GMS825xx have four 8-bit Timer/
Counters, Timer 0, Timer 1, Timer 2, Timer 3. The Timer
0, Timer 1 are shown in Figure .
The “timer” or “counter” function is selected by control
registers TM0, TM2 as shown in Table 11-1 and Table 11-
2. To use as an 8-bit timer/counter mode, bit CAP0 of TM0
is cleared to “0” and bits T1SL1, T1SL0 of TM0 or bits
T3SL1, T3SL0 of TM2 should not set to zero. These timers
have each 8-bit count register and data register. The count
register is increased by every internal or external clock in-
put. The internal clock has a prescaler divide ratio option
of 4, 16, 64 (selected by control bits TxSL1, TxSL0 of reg-
ister TMx).
Figure 11-2 8-bit Timer/Counter 0, 1
Example 1:
Timer0 = 4ms 8-bit timer mode at 4MHz
Timer1 = 1ms 8-bit timer mode at 4MHz
LDM
LDM
LDM
SET1
SET1
EI
TDR0,#250
TDR1,#250
TM0,#0110_1111B
T0E
T1E
Example 2:
Timer0 = 8-bit event counter mode
Timer1 = 1ms 8-bit timer mode at 4MHz
LDM
LDM
LDM
SET1
SET1
EI
TDR0,#250
TDR1,#250
TM0,#0110_1100B
T0E
T1E
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
MUX
T1IF
clear
0: Stop
1: Clear and start
T1ST
T1SL[1:0]
01
10
11
TIMER 1
INTERRUPT
÷
4
÷
16
÷
64
TDR0 (8-bit)
TDR1 (8-bit)
T1 (8-bit)
T0 (8-bit)
Comparator
Comparator
TIMER 0
TIMER 1
T1O PIN
F/F
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
X means don’t care
01 or 10 or 11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GMS81524 | 制造商:HYNIX 制造商全稱(chēng):Hynix Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLERS |
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