7733 datasheet(572/940 Pages) RENESAS

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APPENDIX

7733 Group User’s Manual

21-24

Appendix 3. Control registers

Timer Bi mode register

Timer Bi register

b0 b7

(b15)

(b8)

Timer B0 register (addresses 5116, 5016)

Timer B1 register (addresses 5316, 5216)

Timer B2 register (addresses 5516, 5416)

Functions

Bit

At reset

15 to 0 Values 000016 to FFFF16 can be set.

Assuming that the set value = n, counter

divides the count source frequency by (n + 1).

At reading this register, the counter value is

read out.

Un-

defined

Bit

Must be fixed to “0” (i = 0).

Bit name

At reset

Un-

defined

Functions

Timer Bi mode register (i = 0 to 2) (addresses 5B16 to 5D16)

0 0: Timer mode

0 1: Event counter mode

1 0: Pulse period/Pulse width

measurement mode

1 1: Do not select.

b1 b0

These bits have different functions according to the operating mode.

Operating mode selection bits

Note: In the timer and event counter modes, bit 5 is ignored and undefined at reading.

These bits have different functions according to the operating mode.

Not implemented (i = 1, 2).

—

Un-

defined

(Note)

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