7906 datasheet(422/531 Pages) RENESAS

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7906 Group User’s Manual Rev.2.0

20-17

APPENDIX

Appendix 2. Control registers

Count start register 0 (Address 4016)

Timer A0 count start bit

Timer A1 count start bit

Timer A2 count start bit

Timer A3 count start bit

Timer A4 count start bit

Timer B0 count start bit

Timer B1 count start bit

Timer B2 count start bit

b7 b6 b5 b4 b3 b2 b1 b0

0 : Stop counting

1 : Start counting

Bit name

Bit

Function

At reset

R/W

Reference

7-7

8-4

8 to 0

15 to 9

UART0 receive buffer register (Addresses 3716, 3616)

UART1 receive buffer register (Addresses 3F16, 3E16)

(b15)

(b8)

Receive data is read out from here.

The value is “0” at reading.

Undefined

–

Bit

Function

At reset

R/W

Reference

11-13

Undefined

7 to 5

Count start register 1 (Address 4116)

Timer A5 count start bit

Timer A6 count start bit

Timer A7 count start bit

Timer A8 count start bit

Timer A9 count start bit

Nothing is assigned.

–

b7 b6 b5 b4 b3 b2 b1 b0

0 : Stop counting

1 : Start counting

Bit name

Bit

Function

At reset

R/W

Reference

7-7

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