m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 36

• Manufacturer Part Number: m30262f8gp
• Description: Renesas 16-bit Cmos Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

Clock Generating Circuit
30
Clock Control
CM02, CM04, CM05, CM06, CM07: CM0 register bits
CM10, CM11, CM16, CM17: CM1 register bits
PCLK0, PCLK1: PCLK register bits
CM21, CM27
CM10=1(stop mode)
Figure 1.8.3. Clock generating circuit
Figure 1.8.3 shows the block diagram of the clock generating circuit.
Interrupt request level judgment output
WAIT instruction
: CM2 register bits
Software reset
RESET
Preliminary Specifications Rev. 0.9
NMI
Specifications in this manual are tentative and subject to change.
S
S
R
R
Q
Q
CM04
CM05
generating circuit
X
X
CIN
generating circuit
IN
Sub-clock
Main clock
X
OUT
X
COUT
Renesas Technology Corp.
Main
clock
CM21
Oscillation
stop, re-
oscillation
detection
circuit
Ring
oscillator
a
CM02
Sub-clock
0
CM06=0
CM17–CM16=00
CM20
1
Ring
oscillator
clock
1/2
0
1
CM21
e
1/2
CM06=0
CM17–CM16=01
2
1/2
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
f
C
1/4
CM06=0
CM17–CM16=10
a
2
1/2
e
Divider
1/32
b
c
f
f
f
C32
1
2
b
2
1/8
CM06=1
f
8
d
f
C
f
f
f
32
1SIO
2SIO
CM07
1/2
PCLK0=0
PCLK0=1
CM07
=
M16C/26 Group
1
PCLK1=0
=
Details of divider
PCLK1=1
0
f
f
f
8SIO
32SIO
AD
1/16
CM06=0
CM17–CM16=11
1/2
BCLK
1/32
c
d
2