HD404848 查看數據表（PDF） - Hitachi -> Renesas Electronics

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产品描述 (功能)

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HD404848

4-Bit Single-Chip Microcomputer

Hitachi -> Renesas Electronics 

HD404849 Series

Item

Abbr.

Status After

Status After

Status After all

Cancellation of Stop Cancellation of Stop Other Types of

Modeby STOPC Input Mode by MCU Reset Reset

Carry flag

(CA)

Pre-stop-mode values

are not guaranteed;

values must be

initialized by program

Pre-MCU-reset values

are not guaranteed;

values must be

initialized by program

Accumulator

(A)

B register

(B)

W register

(W)

Y/SPX register

(Y/SPX)

Y/SPY register

(Y/SPY)

Serial data register (SRL, SRU)

A/D data register

(ADRU, L)

RAM

Pre-stop-mode values

are retained

RAM enable flag

(RAME)

1

0

0

Port mode register C (PMRC2) Pre-stop-mode values 0

0

bit 2

are retained

System clock select (SSR3)

register bit 3

18

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