M306H7MG-XXXFP Datasheet, PDF (26/329 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

M306H7MG-XXXFP/MC-XXXFP/FGFP
4. CLOCK GENERATION CIRCUIT
START
CM07
CM06
Sub-clock
generating circuit
XCIN
XCOUT
CM04
Sub-clock
SQ
R
CM10=1(stop mode)
SQ
R
XIN
XOUT
Main clock
WAIT instruction
Main clock
CM05 ^{generating circuit}
SQ
R
CM02
a
RESET
Software reset
NMI
Interrupt request level judgment output
I/O ports
CM01–CM00=002
PM01–PM00=002, CM01–CM00=012
PM01–PM00=002, CM01–CM00=102
fC32
1/32
f1
PCLK0=1
f2
PCLK0=0
fC
f8
CLKOUT
PM01–PM00=002,
CM01–CM00=11 2
f32
fAD
f1SIO
f2SIO
PCLK1=1
PCLK1=0
f8SIO
eb c
a _Divider d
f32SIO
CM07=0
CPU clock
fC
CM07=1
BCLK
e
1/2
1/2
1/2
1/2
1/4
b
1/2
1/8
CM06=1
CM06=0
CM17–CM16=102
c
1/2
1/32
1/16
CM06=0
CM17–CM16=11 2
d
CM02, CM04, CM05, CM06 and CM07: CM0 register bits
CM10, CM11, CM16 and CM17: CM1 register bits
PCLK0, PCLK1: PCLK register bits
CM06=0
CM17–CM16=012
CM06=0
CM17–CM16=002
Details of divider
Figure 4.1 Clock Generation Circuit
Rev.2.10 Oct 25, 2006 Page 26 of 326
REJ03B0152-0210