
COMMERCIALTEMPERATURERANGE
IDTCV115-2
PROGRAMMABLEFLEXPC CLOCKFORP4PROCESSOR
11
BYTE 28
Bit
Output(s) Affected
Description / Function
0
1
Type
Power On
7
TCN7
RW
1
6
TCN6
RW
0
5
TCN5
Turbo CPU PLL N setting
RW
0
4
TCN4
CPU Frequency = N * Resolution
RW
1
3
TCN3
(see Resolution table)
RW
0
2
TCN2
RW
1
TCN1
RW
1
0
TCN0 (LSB)
RW
0
BYTE 30
Bit
Output(s) Affected
Description / Function
0
1
Type
Power On
7
TPN0 (LSB)
0
6
TCN28
0
5
Test Mode entry control
Normal operation
Test mode,
0
controlled by byte 30 bit 4
4
Only valid when Byte6 bit5 is high
Hi-Z
REF/N mode
0
3
PCI4/Turbo 1
PCI4/Turbo Mode select
Turbo 1
PCI4
RW
0
2
Turbo 1
Disable
Enable
RW
0
1
Test_scl
On chip test mode enable
normal
SCLK=1, CLK outputs=1
RW
0
SCLK=0, CLK outputs=0
0
Test_hiz
CLK outputs enable
normal
CLK outputs=Tristate
RW
0
BYTE 29
Bit
Output(s) Affected
Description / Function
0
1
Type
Power On
7
TPN8 (MSB)
0
6
TPN7
1
5
TPN6
Turbo SRC PLL N setting
0
4
TPN5
SRC Frequency = N * Resolution
0
3
TPN4
Resolution = 0.666667
1
2
TPN3
0
1
TPN2
1
0
TPN1
1
BYTE 31
Bit
Output(s) Affected
Description / Function
0
1
Type
Power On
7
TCN27
1
6
TCN26
0
5
TCN25
0
4
TCN24
Turbo CPU PLL N setting
1
3
TCN23
0
2
TCN22
1
TCN21
1
0
TCN20
0