M37160EFSP/FP データシートの表示（PDF） - Renesas Electronics

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M37160EFSP/FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

M37160M8/MA/MF-XXXSP/FP,M37160EFSP/FP

FSCIN Pin

The FSCIN pin is a reference clock input pin. The main clock and

OSD clock are generated based on the reference clock from the

FSCIN pin. The sub clock can also be generated directly from the 32

kHz oscillator circuit and FSCIN pin. Refer to the clock generating

circuit shown in Figure 8.13 Clock Generating Circuit.

XCIN/XCOUT

FSCIN

(4.43MHz)

32kHz of

oscillation circuits

Generating circuit

system clock

"1"

Sub clock

f(XCIN)

"0" CC2 address 021116 bit 2

"1"

Main clock

f(XIN)

Inside system

"0" clock of switch circuit

Clock for OSD

f(OSC)

CM address 00FB16 bit 7(CM7)

f (Φ)

f(XIN) = 8.86 MHz f(OSC) = 26.58 MHz at 4.43 MHz oscillation frequency

Fig. 7.2 clock generating circuit

Rev.1.01 2003.11.13 page 11 of 130

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