ZL50074GAC ZARLINK [Zarlink Semiconductor Inc], ZL50074GAC Datasheet - Page 39

• Manufacturer Part Number: ZL50074GAC
• Description: 32 K x 32 K Channel TDM Switch with 128 Input and 128 Output Streams
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

12.4
The Input Clock Control Register is used to select the logic sense of the input clock.
31 - 9
External Read/Write Address: 40280
Reset Value: 0DB
Bit
31
15
0
0
8
7
6
5
4
3
2
1
0
Input Clock Control Register
30
14
0
0
GCISEL2
CKIPOL2
GCISEL1
CKIPOL1
GCISEL0
CKIPOL0
FPIPOL2
FPIPOL1
FPIPOL0
Unused
Name
29
13
H
0
0
28
12
0
0
Reserved. In normal functional mode, these bits MUST be set to zero.
GCI-Bus Selection for FPi2
When this bit is low, FPi2 is set for ST-BUS mode.
When this bit is high, FPi2 is set for GCI-Bus mode.
Frame Pulse Polarity Selection for FPi2
When this bit is low, FPi2 is set for active high.
When this bit is high, FPi2 is set for active low.
Clock Polarity Selection for CKi2
When this bit is low, CKi2 is set for the positive clock edge.
When this bit is high, CKi2 is set for the negative clock edge.
GCI-Bus Selection for FPi1
When this bit is low, FPi1 is set for ST-BUS mode.
When this bit is high, FPi1 is set for GCI-Bus mode.
Frame Pulse Polarity Selection for FPi1
When this bit is low, FPi1 is set for active high.
When this bit is high, FPi1 is set for active low.
Clock Polarity Selection for CKi1
When this bit is low, CKi1 is set for the positive clock edge.
When this bit is high, CKi1 is set for the negative clock edge.
GCI-Bus Selection for FPi0
When this bit is low, FPi0 is set for ST-BUS mode.
When this bit is high, FPi0 is set for GCI-Bus mode.
Frame Pulse Polarity Selection for FPi0
When this bit is low, FPi0 is set for active high.
When this bit is high, FPi0 is set for active low.
Clock Polarity Selection for CKi0
When this bit is low, CKi0 is set for the positive clock edge.
When this bit is high, CKi0 is set for the negative clock edge.
27
11
0
0
H
Table 22 - Input Clock Control Register
26
10
0
0
25
0
9
0
Zarlink Semiconductor Inc.
SEL2
GCI
24
ZL50074
8
0
39
POL2
FPI
23
7
0
Description
POL2
CKI
22
0
6
SEL1
GCI
21
0
5
POL1
FPI
20
4
0
POL1
CKI
19
0
3
SEL0
GCI
18
0
2
POL0
Data Sheet
FPI
17
0
1
POL0
CKI
16
0
0