r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1658

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

Appendix
B.
The MODE14–MODE0 pin values are input in the event of a power-on reset via the PRESET pin.
Note: The MODE6 pin is output state after power-on reset.
Legend:
H: High level input
L: Low level input
Table B.1
Note: When MODE12 or MODE11 is set to low level, DUck is stopped.
Rev.1.00 Jan. 10, 2008 Page 1628 of 1658
REJ09B0261-0100
Clock
Operating
Mode
0
1
2
3
16
17
18
19
The division ratio of the divider 2 can be read out from FRQMR1.
For details, see section 15, Clock Pulse Generator (CPG).
Mode Pin Settings
MODE [4:0]
Pin Number
4 3 2 1 0 Min
L L L L L
L L L L H
L L L H L
L L L H H
H L L L L 23
H L L L H
H L L H L
H L L H H
Clock Operating Modes with External Pin Combination
Pin Value
OSC/
External
input
Frequency
[MHz]
12
Max
17
34
Divider
1
× 1
× 1
PLL
1
× 36 × 18 × 9
Ick
× 36 × 18 × 18
× 36 × 18 × 18
× 36 × 12 × 12
× 36 × 12 × 12
× 18 × 9
× 18 × 6
× 18 × 6
Uck SHck GAck DUck Pck DDRck Bck
× 9
× 9
× 6
× 6
(vs. Input Clock)
× 9
× 9
× 6
× 6
× 9/2 × 9/2 × 3/2 × 9
× 9/2 × 9/2 × 3/4 × 9
× 3
× 3
Frequency
× 9
× 9
× 6
× 6
× 3
× 3
× 3
× 3/2 × 18
× 3
× 3/2 × 12
× 3/2 × 6
× 3/4 × 6
× 18
× 12
× 6
× 3/2
× 6
× 3/2
× 3
× 3/4
× 3
× 3/4