M30280F6HP RENESAS [Renesas Technology Corp], M30280F6HP Datasheet - Page 65

• Manufacturer Part Number: M30280F6HP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

M
R
R
e
E
1
. v
Figure 7.1 Clock Generation Circuit
J
6
Main
clock
0
C
2
9
0 .
2 /
B
0
0
CM02, CM04, CM05, CM06, CM07: Bits in the CM0 register
CM10, CM11, CM16, CM17: Bits in the CM1 register
PCLK0, PCLK1: Bits in the PCLKR register
CM21, CM27: Bits in the CM2 register
8
0
CM10=1(stop mode)
Oscillation stop, re-oscillation detection circuit
4
G
J
Pulse generation
circuit for clock
edge detection
and charge,
discharge control
Interrupt request level judgment output
7
a
WAIT instruction
o r
0 -
. n
u
2
3
p
Main clock
0
, 1
Software reset
0
(
M
2
RESET
0
1
0
Charge,
discharge
circuit
NMI
6
7
C
2 /
PLL frequency synthesizer
, 8
page 45
S
R
S
R
Programmable
M
Q
Q
CM27=0
CM27=1
1
counter
CM04
6
C
CM05
f o
2 /
Reset
generating
circuit
Oscillation stop,
re-oscillation
detection interrupt
generating circuit
8
generating circuit
X
3
X
CIN
) B
IN
generating circuit
8
Sub-clock
5
Main clock
CM21
X
comparator
OUT
Phase
X
COUT
Oscillation stop
detection reset
Main
clock
CM21 switch signal
Oscillation stop,
re-oscillation
detection signal
1
0
Variable
on-chip
oscillator
Oscillation
stop, re-
oscillation
detection
circuit
PLL
frequency
synthesizer
CM11
a
CM02
PLL
clock
Sub-clock
Charge
pump
CM06=0
CM17, CM16=00
On-chip
oscillator
clock
CM21=0
1/2
Variable 0n-chip Oscillator
CM21=1
f
1(ROC)
f
f
2(ROC)
3(ROC)
ROCR1 and ROCR0=01
e
1/2
CM06=0
CM17, CM16=01
ROCR1 and ROCR0=00
ROCR1 and ROCR0=11
2
1/2
Internal low-
pass filter
f
oscillator
C
Voltage
control
(VCO)
1/4
CM06=0
CM17, CM16=10
2
a
2
1/2
2
e
2
1/32
b
1/2
c
f
f
1
2
b
2
1/8
CM06=1
1/2
ROCR3 and ROCR2=01
f
d
8
PCLK0=1
PCLK0=0
f
C
f
f
f
1/2
32
CM07
1SIO
2SIO
1/2
7. Clock Generation Circuit
CM07
f
C32
=
1
ROCR3 and ROCR2=10
PCLK1=0
Details of divider
PCLK1=1
=
0
f
f
f
8SIO
32SIO
AD
1/16
PLL clock
CM06=0
CM17, CM16=11
1/2
2
1/2
CPU clock
D4INT clock
ROCR3 and ROCR2=11
1/32
c
d
2
2
0n-chip
oscillator
clock
2