r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 776

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

15. Clock Pulse Generator (CPG)
Rev.1.00 Jan. 10, 2008 Page 746 of 1658
REJ09B0261-0100
Bit
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit Name
BFST3
BFST2
BFST1
BFST0
MFST3
MFST2
MFST1
MFST0
S2FST3
S2FST2
S2FST1
S2FST0
S3FST3
S3FST3
S3FST3
S3FST3
PFST3
PFST2
PFST1
PFST0
Initial
Value
x
x
x
1
0
0
1
x
0
1
0
x
x
1
x
x
1
0
x
x
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Description
Frequency division ratio of the bus clock (Bck)
0101: × 1/12
0110: × 1/16
0111: × 1/18
1000: × 1/24
1001: × 1/32
1010: × 1/36
1011: × 1/48
Frequency division ratio of the DDR clock (DDRck)
0010: ×1/4
0011: ×1/6
Frequency division ratio of the GDTA clock (GAck)
0100: × 1/8
0101: × 1/12
1111: Stop the clock supply.
Frequency division ratio of the DU clock (DUck)
0100: × 1/8
0101: × 1/12
0110: × 1/16
0111: × 1/18
1000: × 1/24
1001: × 1/32
1010: × 1/36
1011: × 1/48
1111: Stop the clock supply
Frequency division ratio of the peripheral clock (Pck)
0111: × 1/18
1000: × 1/24
1001: × 1/32
1010: × 1/36
1011: × 1/48