DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 200

• Manufacturer Part Number: DS21455
• Description: Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
• Manufacturer: Maxim Integrated Products

Specifications of DS21455

• Product: Framer
• Number Of Transceivers: 4
• Data Rate: 64 Kbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 328 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: BGA

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 2/Device Assignment bits (DA0 to DA2).
Bit 3/Interleave Bus Operation Enable (IBOEN).
Bit 4/Interleave Bus Operation Select (IBOSEL). This bit selects channel- or frame-interleave mode.
Bits 5 to 6/IBO Bus Size bit 1 (IBS0 to IBS1). Indicates how many devices on the bus.
Bit 7/Unused, must be set to zero for proper operation.
DA2
IBS1
0
0
0
0
1
1
1
1
0
0
1
1
0 = Interleave Bus Operation disabled
1 = Interleave Bus Operation enabled
0 = Channel Interleave
1 = Frame Interleave
DA1
0
0
1
1
0
0
1
1
IBS0
0
1
0
1
—
7
0
DA0
0
1
0
1
0
1
0
1
Reserved for Future Use
Eight Devices on Bus
Four Devices on Bus
Two Devices on Bus
IBS1
IBOC
Interleave Bus Operation Control Register
C5h
6
0
2nd device on bus
3rd device on bus
4th device on bus
5th device on bus
6th device on bus
7th device on bus
8th device on bus
1st device on bus
BUS SIZE
POSITION
DEVICE
IBS0
5
0
IBOSEL
4
0
200 of 270
IBOEN
3
0
DA2
2
0
DA1
1
0
DA0
0
0