r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 777

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

15.4.4
PLLCR is a 32-bit readable/writable register that controls the clock output on the CLKOUT pin.
This register can only be accessed in longwords.
Initial value:
Initial value:
Bit
31 to 24
23 to 16
15 to 2
1
0
R/W:
R/W:
BIt:
BIt:
PLL Control Register (PLLCR)
Bit Name
⎯
⎯
⎯
CKOFF
⎯
31
15
⎯
⎯
R
R
0
0
30
14
⎯
⎯
R
R
0
0
29
13
⎯
⎯
R
R
0
0
Initial
Value
0
All 0
All 0
0
0
28
⎯
12
⎯
R
R
0
0
R/W
R
R/W
R
R/W
R
27
⎯
11
⎯
R
R
0
0
26
10
⎯
⎯
R
R
0
0
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Reserved
These bits are always read as 0. The write value
should always be 0. If a value other than 0 is written,
the operation is not guaranteed.
Reserved
These bits are always read as 0. The write value
should always be 0.
CLKOUT Output Enabled
Stops clock output on the CLKOUT pin
0: Clock is output on the CLKOUT pin
1: The CLKOUT pin is placed in the high impedance
Reserved
This bit is always read as 0. The write value should
always be 0.
25
⎯
⎯
state
R
R
0
9
0
24
⎯
⎯
R
R
0
8
0
R/W
23
⎯
⎯
R
0
7
0
Rev.1.00 Jan. 10, 2008 Page 747 of 1658
R/W
22
⎯
⎯
R
0
6
0
R/W
21
⎯
⎯
R
0
5
0
15. Clock Pulse Generator (CPG)
R/W
20
⎯
⎯
R
0
4
0
R/W
19
⎯
⎯
R
0
3
0
REJ09B0261-0100
R/W
18
⎯
⎯
R
0
2
0
CKOFF
R/W
R/W
17
⎯
0
1
0
R/W
16
⎯
⎯
R
0
0
0