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HD6432142 Datasheet(PDF) 330 Page - Renesas Technology Corp

Part # HD6432142
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1177 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432142 Datasheet(HTML) 330 Page - Renesas Technology Corp

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Section 9 8-Bit PWM Timers
Rev. 4.00 Sep 27, 2006 page 286 of 1130
REJ09B0327-0400
9.2.5
Peripheral Clock Select Register (PCSR)
Bit
Initial value
Read/Write
7
—
0
—
6
—
0
—
5
—
0
—
4
—
0
—
3
—
0
—
0
—
0
—
2
PWCKB
0
R/W
1
PWCKA
0
R/W
PCSR is an 8-bit readable/writable register that selects the PWM timer input clock.
PCSR is initialized to H'00 by a reset, and in hardware standby mode.
Bits 7 to 3—Reserved: These bits cannot be modified and are always read as 0.
Bits 2 and 1—PWM Clock Select (PWCKB, PWCKA): Together with bits PWCKE and
PWCKS in PWSL, these bits select the internal clock input to TCNT in the PWM timer. For
details, see section 9.2.1, PWM Register Select (PWSL).
Bit 0—Reserved: Do not set this bit to 1.
9.2.6
Port 1 Data Direction Register (P1DDR)
Bit
Initial value
Read/Write
7
P17DDR
0
W
6
P16DDR
0
W
5
P15DDR
0
W
4
P14DDR
0
W
3
P13DDR
0
W
0
P10DDR
0
W
2
P12DDR
0
W
1
P11DDR
0
W
P1DDR is an 8-bit write-only register that specifies the input/output direction and PWM output for
each pin of port 1 on a bit-by-bit basis.
Port 1 pins are multiplexed with pins PW0 to PW7. The bit corresponding to a pin to be used for
PWM output should be set to 1.
For details on P1DDR, see section 8.2, Port 1.



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