m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 91

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

R
R
M
e
E
3
. v
J
Figure 8.3 CM1 Register
2
0
1
C
9
3 .
B
8 /
0
1
3
0
3
J
G
4
a
0 -
o r
n
System Clock Control Register 1
b7
3 .
1
NOTES:
u
3
, 1
p
b6
0
1
1. Rewrite the CM1 register after the PRC0 bit in the PRCR register is set to "1" (write enable).
2. When the CM10 bit is set to "1", X
3. When the CM10 bit is set to "1", the MCD register is set to "08
4. CM17 bit is enabled only when the CM21 bit in the CM2 register is set to "0". Use the procedure
(
2
M
X
CM20 bit is set to "1" (oscillation stop detect function enabled) or the CM21 bit to "1" (on-chip
oscillator selected), do not set the CM10 bit to "1".
shown in Figure 8.13 to set the CM17 bit to "1".
0
b5
1
0
IN
3
6
2
, X
b4
0
C
CIN
8 /
b3
0
Page 68
, 3
and X
b2
0
M
b1
0
3
COUT
2
C
b0
f o
8 /
are placed in high-impedance states.
4
(b4 - b1)
3
8
Symbol
CM10
CM17
) T
8
(b5)
(b6)
Bit
Symbol
CM1
All Clock Stop
Control Bit
Reserved Bit
Reserved Bit
Reserved Bit
CPU Clock Select
Bit 2
OUT
(4)
becomes "H" and the internal feedback resistance is disabled.
Bit Name
(2)
(1)
Address
0007
16
0 : Clock oscillates
1 : All clocks stop (stop mode)
Set to "0"
Set to "1"
Set to "0"
0 : Main clock
1 : PLL clock
16
" (divide-by-8 mode). When the
After Reset
0010 0000
Function
2
8. Clock Generation Circuit
(3)
RW
RW
RW
RW
RW
RW