User Manual
Table Of Contents
- Features
- Description
- 1. Pin Out - 144-Pin LQFP Package
- 2. Pin Out - 160-Ball FBGA Package
- 3. Pin Descriptions
- 4. operation
- 5. Power-up
- 6. Master Clock
- 7. G.772 Monitoring
- 8. Building Integrated Timing Systems (BITS) Clock Mode
- 9. Transmitter
- 10. Receiver
- 11. Jitter Attenuator
- 12. Operational Summary
- 13. Host Mode
- 14. Register Descriptions
- 14.1 Revision/IDcode Register (00h)
- 14.2 Analog Loopback Register (01h)
- 14.3 Remote Loopback Register (02h)
- 14.4 TAOS Enable Register (03h)
- 14.5 LOS Status Register (04h)
- 14.6 DFM Status Register (05h)
- 14.7 LOS Interrupt Enable Register (06h)
- 14.8 DFM Interrupt Enable Register (07h)
- 14.9 LOS Interrupt Status Register (08h)
- 14.10 DFM Interrupt Status Register (09h)
- 14.11 Software Reset Register (0Ah)
- 14.12 Performance Monitor Register (0Bh)
- 14.13 Digital Loopback Reset Register (0Ch)
- 14.14 LOS/AIS Mode Enable Register (0Dh)
- 14.15 Automatic TAOS Register (0Eh)
- 14.16 Global Control Register (0Fh)
- 14.17 Line Length Channel ID Register (10h)
- 14.18 Line Length Data Register (11h)
- 14.19 Output Disable Register (12h)
- 14.20 AIS Status Register (13h)
- 14.21 AIS Interrupt Enable Register (14h)
- 14.22 AIS Interrupt Status Register (15h)
- 14.23 AWG Broadcast Register (16h)
- 14.24 AWG Phase Address Register (17h)
- 14.25 AWG Phase Data Register (18h)
- 14.26 AWG Enable Register (19h)
- 14.27 Reserved Register (1Ah)
- 14.28 Reserved Register (1Bh)
- 14.29 Reserved Register (1Ch)
- 14.30 Reserved Register (1Dh)
- 14.31 Bits Clock Enable Register (1Eh)
- 14.32 Reserved Register (1Fh)
- 14.33 Status Registers
- 15. Arbitrary Waveform Generator
- 16. JTAG Support
- 17. Boundary Scan Register (BSR)
- 18. Applications
- 19. Characteristics and specifications
- 19.1 Absolute Maximum Ratings
- 19.2 Recommended Operating Conditions
- 19.3 Digital Characteristics
- 19.4 Transmitter Analog Characteristics
- 19.5 Receiver Analog Characteristics
- 19.6 Jitter Attenuator Characteristics
- 19.7 Master Clock Switching Characteristics
- 19.8 Transmit Switching Characteristics
- 19.9 Receive Switching Characteristics
- 19.10 Switching Characteristics - Serial Port
- 19.11 Switching Characteristics - Parallel Port (Multiplexed Mode)
- 19.12 Switching Characteristics- Parallel Port (Non-Multiplexed Mode)
- 19.13 Switching Characteristics - JTAG
- 20. Compliant Recommendations and specifications
- 21. 160-Ball FBGA package dimensions
- 22. 144-Pin LQFP Package dimensions
CS61880
54 DS450PP3
19.3 Digital Characteristics
(TA = -40° C to 85° C; TV+, RV+ = 3.3 V ±5%; GND = 0 V)
19.4 Transmitter Analog Characteristics
(TA = -40° C to 85° C; TV+, RV+ = 3.3 V ±5%; GND = 0 V)
Parameter Symbol Min. Typ Max Units
High-Level Input Voltage Note 6 V
IH
2.0 - - V
Low-Level Input Voltage Note 6 V
IL
--0.8V
LOOP[7:0] Low-Level Input Voltage V
IHL
- - 1/3 VCCIO-0.2 V
LOOP[7:0] Mid-Level Input Voltage V
IHM
1/3 VCCIO +0.2 1/2 VCCIO 2/3 VCCIO-0.2 V
LOOP[7:0] High-Level Input Voltage V
IHH
2/3 VCCIO +0.2 - - V
High-Level Output Voltage Notes 6, 7
I
OUT
= -400 µA
V
OH
2.4 - - V
Low-Level Output Voltage Notes 6, 7
I
OUT
= 1.6 mA
V
OL
--0.4V
Input Leakage Current -10 - +10 µA
Input leakage for LOOP pins -150 +150 µA
Parameter Min. Typ Max Units
Output Pulse Amplitudes E1 75 Ω
Notes 8, 9, 11 E1 120 Ω
2.14
2.7
2.37
3.0
2.6
3.3
V
V
Ratio of Positive to Negative pulses
Notes 8, 9, 11 Amplitude at center of pulse interval
Width at 50% of nominal amplitude
0.95
0.95
-
-
1.05
1.05
Pulse Amplitude of a space E1 120 Ω
E1 75 Ω
-0.3
-0.237
-
-
0.3
0.237
V
V
Transmit Return Loss 51 kHz to 102 kHz
102 kH to 2048 kHz
Notes 10, 11, 12 2048 kHz to 3072 kHz
-14
-14
-14
-20
-19
-18
-
-
-
dB
Jitter Added by the Transmitter 10 Hz - 8 kHz
8kHz - 40kHz
Notes 10, 13 10 Hz - 40 kHz
Broad Band
-
-
-
-
0.010
0.009
0.007
0.015
0.020
0.025
0.025
0.050
UI
Transmitter Short Circuit Current per channel - - 50 mA RMS