7480 datasheet(277/337 Pages) RENESAS

Il numero della parte	7480

Spiegazioni elettronici	8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES

PDF	337 Pages

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Produttore elettronici	RENESAS [Renesas Technology Corp]

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3-12

3.1 Control Registers

APPENDICES

7480 Group and 7481 Group User's Manual

Figure 3.1.17 Timer X

Timer X (Timer X latch)

b4 b3 b2 b1 b0

Function

At reset

Timer X (high-order) (TXH) [Address 00F116]

b4 b3 b2 b1 b0

Timer X (low-order) (TXL) [Address 00F016]

The low-order count value of

timer X is indicated.

Function

At reset

The high-order count value of

timer X is indicated.

Notes 1: Do not write to these bits in pulse period measurement mode or pulse width measurement mode.

2: When b3 of timer X mode register is ‘0’, writing to latch and timer is simultaneously

performed. When b3 is ‘1’, writing to only latch is performed.

3: When reading/writing from/to timer X, read/write from/to both high-order and low-order

bytes. At reading, read the high-order byte and the low-order byte in this order.

At writing, write the low-order byte and the high-order byte in this order.

Note 1

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