HD404314H 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

HD404314H

4-bit HMCS400-series microcomputer

Hitachi -> Renesas Electronics 

HD404318 Series

Oscillator Circuit

Figure 15 shows a block diagram of the clock generation circuit.

OSC2

OSC1

System fOSC 1/4 fcyc Timing

oscillator

division

circuit

tcyc

generator

circuit

øCPU

CPU with ROM,

RAM, registers,

flags, and I/O

øPER

Peripheral

function

interrupt

Figure 15 Clock Generation Circuit

TEST

RESET

OSC1

OSC2

GND

AVSS

Figure 16 Typical Layout of Crystal and Ceramic Oscillator

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