zl50019gag2 Zarlink Semiconductor, zl50019gag2 Datasheet - Page 54
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zl50019gag2
Manufacturer Part Number
zl50019gag2
Description
Enhanced 2 K Digital Switch With Stratum 4e Dpll
Manufacturer
Zarlink Semiconductor
Datasheet
1.ZL50019GAG2.pdf
(121 pages)
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External Read/Write Address: 0000
Reset Value: 0000
Bit
4
3
2
15
0
14
0
MS1 - 0
VAREN
MBPE
Name
OSB
DPLLEN
H
SLV_
13
Variable Delay Mode Enable
When this bit is low, the variable delay mode is disabled on a device-wide basis.
When this bit is high, the variable delay mode is enabled on a device-wide basis.
Memory Block Programming Enable
When this bit is high, the connection memory block programming mode is enabled to
program the connection memory. When it is low, the memory block programming mode is
disabled.
Output Stand By Bit:
This bit enables the STio0 - 31 and the STOHZ0 -15 serial outputs. The following table
describes the HiZ control of the serial data outputs:
Note: Unused output streams are tristated (STio = HiZ, STOHZ = Driven High). Refer to
SOCR0 - 31 (bit 2 - 0).
Memory Select Bits
These two bits are used to select connection memory low, connection high or data mem-
ory for access by CPU:
OPM
12
1
RESET
Table 17 - Control Register (CR) Bits (continued)
H
Pin
OPM
0
1
1
1
1
11
0
MS1 - 0
CKi_
10
LP
SRSTSW
00
01
10
11
(in SRR)
X
1
0
0
0
FPIN
POS
Zarlink Semiconductor Inc.
9
ZL50019
ODE
CKINP
Pin
X
X
0
1
1
8
54
Connection Memory High Read/Write
Connection Memory Low Read/Write
OSB
FPINP
Bit
X
X
X
0
1
7
Description
Data Memory Read
Memory Selection
CKIN
(Controlled by CM)
6
1
Reserved
STio0 - 31
Active
CKIN
HiZ
HiZ
HiZ
HiZ
5
0
VAR
EN
4
MBPE
3
(Controlled by CM)
STOHZ0 - 15
Driven High
Driven High
Driven High
Driven High
OSB
2
Active
Data Sheet
MS1
1
MS0
0
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