M16CSLASH62P datasheet(53/349 Pages) MITSUBISHI

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Mitsubishi microcomputers

M16C / 62P Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Clock Generation Circuit

Under

development

Preliminary Specifications Rev.1.0

Specifications in this manual are tentative and subject to change.

fC32

CM02, CM04, CM05, CM06, CM07: CM0 register bits

CM10, CM11, CM16, CM17: CM1 register bits

PCLK0, PCLK1: PCLK register bits

CM21, CM27

: CM2 register bits

1/32

Main clock

generating circuit

CM02

CM04

CM10=1(stop mode)

WAIT instruction

CM05

NMI

Interrupt request level judgment output

RESET

Software reset

CPU clock

CM07=0

CM07=1

Divider

1/2

CM06=0

CM17–CM16=002

CM06=0

CM17–CM16=012

CM06=0

CM17–CM16=102

CM06=1

CM06=0

CM17–CM16=112

Details of divider

Sub-clock

generating circuit

XCIN

XCOUT

XOUT

XIN

f32

1/2

f32SIO

f8SIO

fAD

1/2

1/4

1/8

1/16

1/32

PCLK0=1

PLL

frequency

synthesizer

CM21=1

CM11

CM21=0

Ring

oscillator

PLL

clock

Sub-clock

Ring

oscillator

clock

BCLK

PCLK0=0

f1SIO

PCLK1=1

PCLK1=0

f2SIO

Main

clock

CLKOUT

PM01–PM00=002, CM01–CM00=012

PM01–PM00=002, CM01–CM00=102

CM01–CM00=002

I/O ports

PM01–PM00=002,

CM01–CM00=112

CM21

Oscillation

stop, re-

oscillation

detection

circuit

Figure 1.9.1. Clock Generation Circuit

Phase

comparator

Charge

pump

Voltage

control

oscillator

(VCO)

PLL clock

Main clock

1/2

Programmable

counter

Internal low-

pass filter

PLL frequency synthesizer

Pulse generation

circuit for clock

edge detection

and charge,

discharge control

Charge,

discharge

circuit

Reset

generating

circuit

Oscillation stop,

re-oscillation

detection interrupt

generating circuit

Main

clock

Oscillation stop

detection reset

CM27

CM21 switch signal

Oscillation stop,

re-oscillation

detection signal

Oscillation stop, re-oscillation detection circuit

M16C/62P Datasheet(PDF) 53 Page - Mitsubishi Electric Semiconductor

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