r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 703

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

16.3
Table 16.2 shows the relationship between the mode control pin (MD0, MD1, and MD2)
combinations and the clock operating mode after a power-on reset.
Table 16.2 Clock Operating Modes
Notes: 1. Mode pin (MD0, MD1, and MD2) combinations other than above are prohibited.
Clock
operating
mode
0
2. The ratio of the frequency of each clock to that of the crystal oscillator or the clock input
Clock Operating Mode
MD2 MD1 MD0
0
combination*
from the EXTAL pin.
External pin
0
0
1
PLL
1
ON
PLL
2
ON OFF 25 to 33.1
PLL
3
EXTAL
frequency
(MHz)
Frequency
ratio*
Max.
frequency
2
Ick
8
266 133
Rev. 1.00 Oct. 01, 2007 Page 637 of 1956
Section 16 Clock Pulse Generator (CPG)
SHck Bck Pck0 Pck1 DDRck
4
Clock generated by CPG
2
66.6 66.6
2
1
33.3
REJ09B0256-0100
4
133
Initial value
of FRQCR
H'1013 0035