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HD64F2145 Datasheet(PDF) 313 Page - Renesas Technology Corp

Part # HD64F2145
Description  Hitachi 16-Bit Single-Chip Microcomputer
PDF  829 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD64F2145 Datasheet(HTML) 313 Page - Renesas Technology Corp

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Rev. 2.0, 08/02, page 273 of 788
Bit
Bit Name Initial Value R/W Description
4
3
CCLR1
CCLR0
0
0
R/W
R/W
Counter Clear 1, 0
These bits select the method by which the timer counter is
cleared.
00: Clearing is disabled
01: Cleared on compare-match A
10: Cleared on compare-match B
11: Cleared on rising edge of external reset input
2
1
0
CKS2
CKS1
CKS0
0
0
0
R/W
R/W
R/W
Clock Select 2 to 0
These bits select the clock input to TCNT and count
condition, together with the ICKS1 and ICKS0 bits in STCR.
For details, see table 12.2.
Table 12.2
Clock Input to TCNT and Count Condition
TCR
STCR
Channel CKS2
CKS1
CKS0
ICKS1
ICKS0
Description
0
0
0
—
—
Disables clock input
0
0
1
—
0
Increments at falling edge of internal clock
ø/8
0
0
1
—
1
Increments at falling edge of internal clock
ø/2
0
1
0
—
0
Increments at falling edge of internal clock
ø/64
0
1
0
—
1
Increments at falling edge of internal clock
ø/32
0
1
1
—
0
Increments at falling edge of internal clock
ø/1024
0
1
1
—
1
Increments at falling edge of internal clock
ø/256
TMR_0
1
0
0
—
—
Increments at overflow signal from
TCNT_1*



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