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HMS87C1202A Datasheet(PDF) 45 Page - Hynix Semiconductor

Part # HMS87C1202A
Description  8-BIT SINGLE-CHIP MICROCONTROLLERS
PDF  88 Pages
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Manufacturer  HYNIX [Hynix Semiconductor]
Direct Link  http://www.skhynix.com/kor/main.do
Logo HYNIX - Hynix Semiconductor

HMS87C1202A Datasheet(HTML) 45 Page - Hynix Semiconductor

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Apr. 2001 ver 1.0
HMS87C130XA/120XA/110XA
12.1 8-bit Timer/Counter Mode
The HMS87C1X0XA has four 8-bit Timer/Counters, Tim-
er 0 and Timer 1 as shown in Figure 12-2.
The “timer” or “counter” function is selected by mode reg-
isters TMx as shown in Figure 12-1 and Table 12-1. 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 12-1).
Figure 12-2 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
X1
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 12-1 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
XXX
XX
X
00
0
XXX
X
÷ 2
÷ 4
÷ 128
÷ 512
÷ 8
÷ 32
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 : Start
T1ST
0 : Stop
1 : Start
T0CN
T1CN
T0CK[2:0]
T1CK[1:0]
F/F
COMP0 PIN
÷ 2048
X: The value “0” or “1” corresponding your operation.



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