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GMS81C2112 Datasheet(PDF) 54 Page - Hynix Semiconductor

No. de Pieza. GMS81C2112
Descripción  HYNIX SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS
Descarga  107 Pages
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Fabricante  HYNIX [Hynix Semiconductor]
Página de inicio  http://www.skhynix.com/ko/index.jsp
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GMS81C2112 Datasheet(HTML) 54 Page - Hynix Semiconductor

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GMS81C2112/GMS81C2120
48
JUNE. 2001 Ver 1.00
12.2 16-bit Timer / Counter Mode
The Timer register is being run with 16 bits. A 16-bit timer/
counter register T0, T1 are increased from 0000H until it
matches TDR0, TDR1 and then resets to 0000H. The
match output generates Timer 0 interrupt not Timer 1 in-
terrupt.
The clock source of the Timer 0 is selected either internal
or external clock by bit T0CK[2:0].
In 16-bit mode, the bits T1CK[1:0] and 16BIT of TM1
should be set to "1" respectively.
Figure 12-7 16-bit Timer/Counter
clear
0: Stop
1: Clear and start
T0ST
T0CN
TDR1 + TDR0
Comparator
TIMER 0 + TIMER 1
→ TIMER 0 (16-bit)
Higher byte Lower byte
(16-bit)
COMPARE DATA
T1 + T0
(16-bit)
1
0
(Not Timer 1 interrupt)
EDGE
BTCL
765
432
10
-
-T0CN
INITIAL VALUE: --000000B
ADDRESS: 0D0H
TM0
T0ST
T0CK0
T0CK1
CAP0 T0CK2
--
X
X
X
X
X means don’t care
INITIAL VALUE: 00H
ADDRESS: 0D2H
TM1
X means don’t care
0X
BTCL
765
432
10
16BIT
POL
T1CN T1ST
T1CK0
T1CK1
PWM1E
CAP1
X1
X
X
1
1
00
EC0 PIN
÷2
÷4
÷8
XIN PIN
MUX
T0CK[2:0]
111
000
001
010
÷
÷
÷512
÷2048
011
100
101
110
DETECTOR
T0IF
TIMER 0
INTERRUPT
T0O PIN
F/F


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