
COMMERCIALTEMPERATURERANGE
8
IDTCV146
PROGRAMMABLEFLEXPCCLOCKFORP4PROCESSOR
BYTE 17
Bit
Output(s) Affected
Description / Function
0
1
Type
Power On
7
CPU_N7, MSB
RW
6
CPU_N6
RW
5
CPU_N5
RW
4
CPU_N4
RW
3
CPU_N3
RW
2
CPU_N2
RW
1
CPU_N1
see Resolution table
RW
0
CPU_N0, LSB
CPU CLK = N* Resolution
RW
BYTES 10-16: OUTPUT WAVEFORM ADJUSTMENT. DON'T WRITE OVER.
BYTES 18-24: OUTPUT WAVEFORM ADJUSTMENT. DON'T WRITE OVER.
BYTE 8
Bit
Output(s) Affected
Description / Function
0
1
Type
Power On
7
SRC SSC enable
Only valid when Byte1 bit0 is 1
disable
enable
RW
1
6
CPU PLL power down
normal
Power down
RW
0
5
SRC PLL power down
normal
Power down
RW
0
4
USB PLL power down
normal
Power down
RW
0
3
USB48
USB 48 Strength control
1x
2x
RW
0
2
Reserve
RW
0
1
N Programming enable
Disable
enable
RW
0
One cycle read
disable
enable
RW
0
BYTE 9
Bit
Output(s) Affected
Description / Function
0
1
Type
Power On
7
Must be 0
RW
0
(Must be 0)
6
CPU SMC2
RW
0
5
CPU SMC1
see SMC table
RW
0
4
CPU SMC0
CPU PLL SSC control
RW
1
3
Reserve
RW
0
2
SRC SMC2
RW
0
1
SRC SMC1
see SMC table
RW
0
SRC SMC0
SRC/PCI SSC control
RW
1