DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 74

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55

• Function: Transceiver
• Interface: E1, J1, T1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Includes: BERT Generator and Detector, Dual HDLC Controllers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0/RSYSCLK Mode Select (RSCLKM)
Bit 1/TSYSCLK Mode Select (TSCLKM)
Bit 2/H.100 SYNC Mode (H100EN)
Bit 3/TSSYNC Invert (TSSYNCINV)
Bit 4/TSYNC Invert (TSYNCINV)
Bit 5/RSYNC Invert (RSYNCINV)
Bit 6/TCLK Invert (TCLKINV)
Bit 7/RCLK Invert (RCLKINV)
0 = if RSYSCLK is 1.544MHz
1 = if RSYSCLK is 2.048MHz or IBO enabled (See Section
0 = if TSYSCLK is 1.544MHz
1 = if TSYSCLK is 2.048MHz or IBO enabled (See Section
0 = normal operation
1 = SYNC shift
0 = no inversion
1 = invert
0 = no inversion
1 = invert
0 = no inversion
1 = invert
0 = no inversion
1 = invert
0 = no inversion
1 = invert
RCLKINV
7
0
TCLKINV
IOCR2
I/O Configuration Register 2
02h
0
6
RSYNCINV
5
0
74 of 237
TSYNCINV
4
0
TSSYNCINV
26
26
for details on IBO function.)
for details on IBO function.)
3
0
H100EN
2
0
TSCLKM
1
0
RSCLKM
0
0