參數(shù)資料
型號(hào): GMS81C2020LQ
廠商: HYNIX SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: IC MCU 8-BIT ROMLESS 44-PQFP
中文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
封裝: LQFP-64
文件頁數(shù): 45/93頁
文件大小: 853K
代理商: GMS81C2020LQ
GMS81C1404/GMS81C1408
June. 2001 Ver 1.2
43
13.1 8-bit Timer/Counter Mode
The GMS81C1404 and GMS81C1408 has four 8-bit Tim-
er/Counters, Timer 0, Timer 1, Timer 2 and Timer 3, as
shown in Figure 13-2 .
The “timer” or “counter” function is selected by mode reg-
isters TMx as shown in Figure 13-1 and Table 13-1 . To
use as an 8-bit timer/counter mode, bit CAP0 of TM0 is
cleared to “0” and bits 16BIT of TM1 should be cleared to
“0”(Table 13-1 ).
Figure 13-2 8-bit Timer / Counter Mode
16BIT
CAP0
CAP1
PWME
T0CK[2:0]
T1CK[1:0]
PWMO
TIMER 0
TIMER1
0
0
0
0
XXX
XX
0
8-bit Timer
8-bit Timer
0
0
1
0
111
XX
0
8-bit Event Counter
8-bit Capture
0
1
0
0
XXX
XX
1
8-bit Capture
8-bit Compare output
0
X
1
0
1
XXX
XX
1
8-bit Timer/Counter
10-bit PWM
1
0
0
0
XXX
11
0
16-bit Timer
1
0
0
0
111
11
0
16-bit Event Counter
1
1
X
0
XXX
11
0
16-bit Capture
1
0
0
0
XXX
11
1
16-bit Compare output
Table 13-1 Operating Modes of Timer 0 and Timer 1
1. X: The value “0” or “1” corresponding your operation.
÷
1
÷
2
÷
8
TM0
ADDRESS : D0H
RESET VALUE : --000000
-
-
CAP0
T0CK2
T0CK1
T0CK0
T0CN
T0ST
TM1
ADDRESS : D2H
RESET VALUE : 00000000
POL
16BIT
PWME
CAP1
T1CK1
T1CK0
T1CN
T1ST
-
-
0
X
X
X
X
X
X
0
0
0
X
X
X
X
÷
2
÷
4
÷
8
÷
32
÷
128
÷
512
÷
2048
fxin
EC0
Edge Detector
MUX
MUX
1
1
T0 (8-bit)
TDR0 (8-bit)
T0IF
CLEAR
COMPARATOR
TIMER 0
INTERRUPT
T1 (8-bit)
TDR1 (8-bit)
T1IF
CLEAR
COMPARATOR
TIMER 1
INTERRUPT
T0ST
0 : Stop
1 : Clear and Start
T1ST
0 : Stop
1 : Clear and Start
T0CN
T1CN
T0CK[2:0]
T1CK[1:0]
F/F
COMP0 PIN
X: The value “0” or “1” corresponding your operation.
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