ZL50017 Data Sheet
31
Zarlink Semiconductor Inc.
Bit Name Description
15 - 2 Unused Reserved
In normal functional mode, these bits MUST be set to zero.
1SRSTSWSoftware Reset Bit for Switch
When this bit is low, switching blocks are in normal operation. When this bit is high,
switching blocks are in software reset state. Refer to Table 12, “Address Map for
Registers (A13 = 0)” on page 32 for details regarding which registers are affected.
0UnusedReserved
In normal functional mode, these bits MUST be set to zero.
Table 6 - Software Reset Register (SRR) Bits
Bit Name Description
15 - 4 Unused Reserved
In normal functional mode, these bits MUST be set to zero.
3 - 0 DR3 - 0
Input/Output Data Rate Selection Bits: These bits set the data rate for both input
and output streams
Table 7 - Data Rate Selection Register
External Read/Write Address: 0002
H
Reset Value: 0000
H
15141312111098765432 1 0
00000000000000SRST
SW
0
External Read/Write Address: 0008
H
Reset Value: 0000
H
15141312111098765432 1 0
000000000000DR3DR2DR1DR0
DR3 - 0 STio0 - 15 Operation
0000 Reserved
0001 2.048 Mbps
0010 4.096 Mbps
0011 8.192 Mbps
0100 16.384 Mbps
0101 - 1111 Reserved
ZL50017 Data Sheet
32
Zarlink Semiconductor Inc.
Bit Name Description
15 - 1 Unused
Reserved
In normal functional mode, these bits are zero.
0 PERR Program Error (Read Only)
This bit is set high when the total number of input/output channels is programmed to
be more than the maximum capacity of 1024, in which case the input/output channels
beyond the maximum capacity should be disabled.This bit will be cleared automati-
cally after the total number of active streams/channels is correctly programmed to be
1024 channels or below.
Table 8 - Internal Flag Register (IFR) Bits - Read Only
Bit Name Description
15 - 9
Unused Reserved
In normal functional mode, these bits MUST be set to zero
.
8 - 6
STIN[n]BD2 - 0 Input Stream[n] Bit Delay Bits.
The binary value of these bits refers to the number of bits that the input stream
will be delayed relative to FPi. The maximum value is 7. Zero means no delay.
5 - 4 STIN[n]SMP1 - 0
Input Data Sampling Point Selection Bits
3 - 1 Unused Reserved
In normal functional mode, these bits MUST be set to zero
.
Table 9 - Stream Input Control Register 0 - 15 (SICR0 - 15) Bits
External Read Address: 0010
H
Reset Value: 0000
H
15141312111098765432 1 0
00000000000000 0 PERR
External Read/Write Address: 0100
H
- 010F
H
Reset Value: 0000
H
1514131211109876543210
0000000STIN[n]
BD2
STIN[n]
BD1
STIN[n]
BD0
STIN[n]
SMP1
STIN[n]
SMP0
000STIN[n]
EN
STIN[n]SMP1-0
Sampling Point
(2.048 Mbps, 4.096 Mbps,
8.192 Mbps streams)
Sampling Point
16.384 Mbps streams)
00 3/4 point 1/2 point
01 1/4 point
10 2/4 point 4/4 point
11 4/4 point
ZL50017 Data Sheet
33
Zarlink Semiconductor Inc.
0STIN[n]ENInput Stream Enable Bit
When this bit is high the input stream is enabled. When this bit is low the input
stream is ignored
Note: [n] denotes input stream from 0 - 15.
Bit Name Description
15 - 9 Unused Reserved
In normal functional mode, these bits MUST be set to zero.
8 - 7 STO[n]FA1 - 0
Output Stream[n] Fractional Advancement Bits
6 - 4 STO[n]AD2 - 0 Output Stream[n] Bit Advancement Selection Bits
The binary value of these bits refers to the number of bits that the output stream
is to be advanced relative to FPi. The maximum value is 7. Zero means no
advancement.
3 - 1 Unused Reserved
In normal functional mode, these bits MUST be set to zero
.
0 STO[n]EN Output Stream Enable Bit
When this bit is high the output stream is enabled. When this bit is low the
output stream is set to high impedance
Note: [n] denotes output stream from 0 - 15.
Table 10 - Stream Output Control Register 0 - 15 (SOCR0 - 15) Bits
Bit Name Description
Table 9 - Stream Input Control Register 0 - 15 (SICR0 - 15) Bits (continued)
External Read/Write Address: 0100
H
- 010F
H
Reset Value: 0000
H
1514131211109876543210
0000000STIN[n]
BD2
STIN[n]
BD1
STIN[n]
BD0
STIN[n]
SMP1
STIN[n]
SMP0
000STIN[n]
EN
External Read/Write Address: 0200
H
- 020F
H
Reset Value: 0000
H
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0000
0 0 0 STO[n]
FA1
STO[n]
FA0
STO[n]
AD2
STO[n]
AD1
STO[n]
AD0
0 0 0 STO[n]
EN
STO[n]FA1-0
Advancement
(2.048 Mbps, 4.096 Mbps,
8.192 Mbps streams)
Advancement
(16.384 Mbps streams)
00 0 0
01 1/4 bit 2/4
10 2/4 bit Reserved
11 3/4 bit

ZL50017GAC

Mfr. #:
Manufacturer:
Microchip / Microsemi
Description:
Digital Bus Switch ICs
Lifecycle:
New from this manufacturer.
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