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ST2202 Datasheet(PDF) 29 Page - List of Unclassifed Manufacturers

Part # ST2202
Description  8 BIT Integrated Microcontroller with 256K Bytes ROM
PDF  65 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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ST2202 Datasheet(HTML) 29 Page - List of Unclassifed Manufacturers

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Sitronix
ST2202
Ver 2.0a
29/65
2003-May-05
12.4 Timer 1
The Timer1 is an 8-bit up counter. It used as timer/counter as program specified. The difference between base timer is that Timer1
will halt during CPU SBY, but base timer will not. It is shown in FIGURE 12-4.
IN4
IN5
IN6
IN7
SEL
PRES
T1M[2~0]
MUX4-1
PREW
IN0
IN1
IN2
IN3
SEL
T1M[1~0]
MUX
8 Bit - UP Counter
CLOCK
IRT1
MUX 8-1
OSCX/256
OSCX/128
OSCX/64
BGRCK
TCLK/256
TCLK/32
TCLK/8
TCLK/2
OUT
OUT
IN0
IN1
OUT
SEL
D
CK
Q
D Flip-Flop
SYSCK
MUX
T1M[3]
Auto Reload
T1M[4]
IN0
IN1
IN2
IN3
TCLK/65536
TCLK/32768
TCLK/8192
TCLK/2048
FIGURE 12-4 Timer1 Structure
TABLE 12-8 Timer1 Register (T1C)
Address Name
R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
$027
T1C
R/W
T1C[7]
T1C[6]
T1C[5]
T1C[4]
T1C[3]
T1C[2]
T1C[1]
T1C[0]
0000 0000
Bit 7-0:
T1C[7-0] : Timer1 up counter register
TABLE 12-9 Clock Sources Of Timer1
T1M[3]
T1M[2]
T1M[1]
T1M[0]
T1 Timer Clock Source
0
0
0
0
TCLK/65536
0
0
0
1
TCLK/32768
0
0
1
0
TCLK/8192
0
0
1
1
TCLK/2048
0
1
0
0
TCLK/256
01
0
1
TCLK/32
01
1
0
TCLK/8
01
1
1
TCLK/2
10
0
0
OSCX/256
10
0
1
OSCX/128
10
1
0
OSCX/64
10
1
1
BGRCK
T1M[4]: Control automatic reload operation
0: No auto reload
1: auto reload
SENA : Prescaler enable bit
0 : TCLK stop
1 : TCLK counting



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