HD64F2149YV datasheet(996/1075 Pages) RENESAS

Nome de Peças	HD64F2149YV

Descrição Electrónicos	Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

PDF	1075 Pages

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Fabricante Electrônico	RENESAS [Renesas Technology Corp]

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Appendix B Internal I/O Registers

Rev. 3.00 Jan 18, 2006 page 968 of 1044

REJ09B0280-0300

TCSR1—Timer Control/Status Register 1

H'FFCB

TMR1

CMFB

R/(W)*

CMFA

R/(W)*

OVF

R/(W)*

—

OS3

R/W

OS0

R/W

OS2

R/W

OS1

R/W

Bit

Initial value

Read/Write

TCSR1

Output select 1 and 0

No change at compare match A

0 output at compare match A

1 output at compare match A

Output inverted at compare

match A (toggle output)

Output select 3 and 2

No change at compare match B

0 output at compare match B

1 output at compare match B

Output inverted at compare

match B (toggle output)

Timer overflow flag

[Clearing condition]

Read OVF when OVF = 1, then write 0 in OVF

[Setting condition]

When TCNT overflows from H'FF to H'00

Compare match flag A

[Clearing conditions]

• Read CMFA when CMFA = 1, then write 0 in CMFA

• When the DTC is activated by a CMIA interrupt

[Setting condition]

When TCNT = TCORA

Compare match flag B

[Clearing conditions]

• Read CMFB when CMFB = 1, then write 0 in CMFB

• When the DTC is activated by a CMIB interrupt

[Setting condition]

When TCNT = TCORB

Note: * Only 0 can be written in bits 7 to 5, to clear the flags.

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