HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 380

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Note: The operations in the prohibited setting are not guaranteed.
Rev. 1.00, 02/04, page 342 of 804
Bit
6
5
4
3
2
1
0
Bit Name
IFC2
IFC1
IFC0

PFC2
PFC1
PFC0
Initial
Value
0
0
0
0
0
1
1
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
Description
Internal Clock Frequency Division Ratio
These bits specify the frequency division ratio of the
internal clock with respect to the output frequency of
PLL circuit 1.
000: × 1 time
001: × 1/2 time
010: Setting prohibited
011: × 1/4 time
100: Setting prohibited
101: Setting prohibited
110: Setting prohibited
111: Setting prohibited
Reserved
This bit is always read as 0. The write value should
always be 0. If 1 is written to this bit, correct operation
cannot be guaranteed.
Peripheral Clock Frequency Division Ratio
These bits specify the division ratio of the peripheral
clock frequency with respect to the output frequency of
PLL circuit 1.
000: × 1 time
001: × 1/2 time
010: × 1/3 time
011: × 1/4 time
100: × 1/6 time
101: × 1/8 time
110: × 1/12 time
110: Setting prohibited
111: Setting prohibited