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PDF ( 数据手册 , 数据表 ) ZL50018

零件编号 ZL50018
描述 2 K Digital Switch
制造商 Zarlink Semiconductor
LOGO Zarlink Semiconductor LOGO 


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ZL50018 数据手册, 描述, 功能
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ZL50018
2 K Digital Switch with Enhanced
Stratum 3 DPLL
Data Sheet
Features
• 2048 channel x 2048 channel non-blocking digital
Time Division Multiplex (TDM) switch at 8.192
and 16.384 Mbps or using a combination of ports
running at 2.048, 4.096, 8.192 and/or
16.384 Mbps
• 32 serial TDM input, 32 serial TDM output
streams
• Integrated Digital Phase-Locked Loop (DPLL)
exceeds Telcordia GR-1244-CORE Stratum 3
specifications
• Output clocks have less than 1 ns of jitter (except
for the 1.544 MHz output)
• DPLL provides holdover, freerun and jitter
attenuation features with four independent
reference source inputs
July 2005
Ordering Information
ZL50018GAC 256 Ball PBGA
ZL50018QCC 256 Lead LQFP
-40°C to +85°C
Trays
Trays
• Programmable key DPLL parameters (filter corner
frequency, locking range, auto-holdover
hysteresis range, phase slope, lock detector
range)
• Exceptional input clock cycle to cycle variation
tolerance (20 ns for all rates)
• Output streams can be configured as bi-
directional for connection to backplanes
STi[31:0]
FPi
CKi
MODE_4M0
MODE_4M1
REF0
REF1
REF2
REF3
REF_FAIL0
REF_FAIL1
REF_FAIL2
REF_FAIL3
OSC_EN
VDD_CORE
VDD_IO
VDD_COREA VDD_IOA
VSS
RESET
ODE
S/P Converter
Data Memory
P/S Converter
Input Timing
DPLL
Connection Memory
Output HiZ
Control
Output Timing
OSC
Internal Registers &
Microprocessor Interface
Test Port
STio[31:0]
STOHZ[15:0]
FPo[3:0]
CKo[5:0]
FPo_OFF[2:0]
Figure 1 - ZL50018 Functional Block Diagram
Zarlink Semiconductor US Patent No. 5,602,884, UK Patent No. 0772912,
France Brevete S.G.D.G. 0772912; Germany DBP No. 69502724.7-08
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2004-2005, Zarlink Semiconductor Inc. All Rights Reserved.







ZL50018 pdf, 数据表
ZL50018
Data Sheet
List of Tables
Table 1 - CKi and FPi Configurations for Master and Divided Slave Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 2 - CKi and FPi Configurations for Multiplied Slave Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 3 - Output Timing Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 4 - Delay for Variable Delay Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 5 - Connection Memory Low After Block Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 6 - Connection Memory High After Block Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 7 - ZL50018 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 8 - Preferred Reference Selection Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 9 - DPLL Input Reference Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Table 10 - Generated Output Frequencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table 11 - Values for Single Period Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 12 - Default Values for Single Period Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 13 - Default Multi-period Hysteresis Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Table 14 - Input and Output Voice and Data Coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 15 - Definition of the Four Quadrant Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Table 16 - Quadrant Frame Bit Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Table 17 - Address Map for Registers (A13 = 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Table 18 - Control Register (CR) Bits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 19 - Internal Mode Selection Register (IMS) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 20 - Software Reset Register (SRR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Table 21 - Output Clock and Frame Pulse Control Register (OCFCR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 22 - Output Clock and Frame Pulse Selection Register (OCFSR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Table 23 - FPo_OFF[n] Register (FPo_OFF[n]) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Table 24 - Internal Flag Register (IFR) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 25 - BER Error Flag Register 0 (BERFR0) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 26 - BER Error Flag Register 1 (BERFR1) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Table 27 - BER Receiver Lock Register 0 (BERLR0) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Table 28 - BER Receiver Lock Register 1 (BERLR1) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Table 29 - DPLL Control Register (DPLLCR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Table 30 - Reference Frequency Register (RFR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Table 31 - Centre Frequency Register - Lower 16 Bits (CFRL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Table 32 - Centre Frequency Register - Upper 10 Bits (CFRU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Table 33 - Software Delta Frequency Register (SWDFR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Table 34 - Frequency Offset Register (FOR) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Table 35 - Frequency Locking Range Register (FLRR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Table 36 - Lock Detector Threshold Register (LDTR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Table 37 - Lock Detector Interval Register (LDIR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Table 38 - Slew Rate Limit Register (SRLR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 39 - Bandwidth Control Register (BWCR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 40 - Reference Change Control Register (RCCR) Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Table 41 - Reference Change Status Register (RCSR) Bits - Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Table 42 - Multi-period Near Upper Limit Register - Lower 16 Bits (MPNULRL) . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Table 43 - Multi-period Near Upper Limit Register - Upper 16 Bits (MPNULRU). . . . . . . . . . . . . . . . . . . . . . . . . . 78
Table 44 - Multi-period Far Upper Limit Register - Lower 16 Bits (MPFULRL) . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Table 45 - Multi-period Far Upper Limit Register - Upper 16 Bits (MPFULRU) . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Table 46 - Multi-period Near Lower Limit Register - Lower 16 Bits (MPNLLRL) . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Table 47 - Multi-period Near Lower Limit Register - Upper 16 Bits (MPNLLRU) . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Table 48 - Multi-period Far Lower Limit Register - Lower 16 Bits (MPFLLRL). . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
8
Zarlink Semiconductor Inc.







ZL50018 equivalent, schematic
ZL50018
Data Sheet
PBGA Pin
Number
G15, G14,
E15, F14
H14, D11
F15
B7, C7, B5,
J6, D6, H5
LQFP Pin
Number
102, 106,
110, 112
100, 104
108
170, 172,
174, 227,
176, 221
Pin Name
FPo0 - 3
FPo_OFF0 - 1
FPo_OFF2
or
FPo5
CKo0 - 5
Description
ST-BUS/GCI-Bus Frame Pulse Outputs 0 to 3 (5 V-Tolerant
Three-state Outputs)
FPo0: 8 kHz frame pulse corresponding to the 4.096 MHz output
clock of CKo0.
FPo1: 8 kHz frame pulse corresponding to the 8.192 MHz output
clock of CKo1.
FPo2: 8kHz frame pulse corresponding to 16.384 MHz output
clock of CKo2.
FPo3: Programmable 8kHz frame pulse corresponding to 4.096,
8.192, 16.384, or 32.768 MHz output clock of CKo3.
In Divided Slave modes, the frame pulse width of FPo0 - 3 cannot
be narrower than the input frame pulse (FPi) width.
Generated Offset Frame Pulse Outputs 0 to 1 (5 V-Tolerant
Three-state Outputs)
Individually programmable 8 kHz frame pulses, offset from the
output frame boundary by a programmable number of channels.
Generated Offset Frame Pulse Output 2 or 19.44 MHz Frame
Pulse Output (5 V-Tolerant Three-state Output)
As FPo_OFF2, this is an individually programmable 8 kHz width
frame pulse, offset from the output frame boundary by a
programmable number of channels.
By programming the FP19EN (bit 10) of FPOFF2 register to high,
this signal becomes FPo5, a non-offset frame pulse corresponding
to the 19.44 MHz clock presented on CKo5. FPo5 is only available
in Master mode or when the SLV_DPLLEN bit in the Control
Register is set high while the device is in one of the slave modes.
ST-BUS/GCI-Bus Clock Outputs 0 to 5 (5 V-Tolerant
Three-state Outputs)
CKo0: 4.096 MHz output clock.
CKo1: 8.192 MHz output clock.
CKo2: 16.384 MHz output clock.
CKo3: 4.096, 8.192, 16.384 or 32.768 MHz programmable output
clock;
CKo4: 1.544 or 2.048 MHz programmable output clock.
CKo5: 19.44 MHz output clock.
See Section 6.0 on page 24 for details. In Divided Slave mode, the
frequency of CKo0 - 3 cannot be higher than input clock (CKi).
CKo4 and CKo5 are only available in Master mode or when the
SLV_DPLLEN bit in the Control Register is set high while the
device is in one of the slave modes.
16
Zarlink Semiconductor Inc.










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