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Chapter 6
Clock Generator
User’s Manual U16702EE3V2UD00
(8)
Clock selection register 2 (OCKS2)
This is an 8-bit register that controls the operation enable and clock selection for CSIBn
(n = 0, 1).
Figure 6-9:
Clock Selection Register 2 (OCKS2) Format
Caution:
When PLL mode operation is enabled, OCKS2 register value must not be changed.
Symbol
7
6
5
4
3
2
1
0
Address
After reset
OCKS2
0
0
0
OCKSEN2 OCKSTH2
0
OCKS21 OCKS20 FFFFF868H
00H
R/W
R
R
R
R/W
R/W
R
R/W
R/W
OCKSEN2
Specified for execution enable
0
Operation Disable
1
Operation Enable
OCKSTH2
Specified for output clock through or divide
0
Output clock is divided clock by setting OCKS21 and OCKS20
1
Output clock is through (Extended clock = f
PLL_PCKSEL
)
OCKS21
OCKS20
Specified for divider factor
0
0
Extended clock = f
PLL_PCKSEL
/ 2
0
1
Extended clock = f
PLL_PCKSEL
/ 3
1
0
Extended clock = f
PLL_PCKSEL
/ 4
1
1
Extended clock = f
PLL_PCKSEL
/ 5
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