DS21Q48 Maxim Integrated Products, DS21Q48 Datasheet - Page 25

• Manufacturer Part Number: DS21Q48
• Description: IC LIU E1/T1/J1 QUAD 5V 144-BGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS21Q48

• Protocol: E1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 144-CSBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Drivers/receivers: -

SCLK
CS
SDI
Figure 3-1. Serial Port Operation for Read Access (R = 1) Mode 1
ICES = 1 (sample SDI on the falling edge of SCLK)
OCES = 1 (update SDO on rising edge of SCLK)
Figure 3-2. Serial Port Operation for Read Access Mode 2
ICES = 1 (sample SDI on the falling edge of SCLK)
OCES = 0 (update SDO on falling edge of SCLK)
SDO
SCLK
CS
SDI
SDO
(lsb)
1
READ ACCESS ENABLED
1
1
(lsb)
1
2
A0
2
A0
3
A1
3
A1
4
A2
4
A2
5
A3
5
A3
6
A4
6
A4
7
0
7
0
(msb)
8
B
(msb)
8
B
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9
D0
(lsb)
9
D0
(lsb)
10
D1
10
D1
11
D2
11
D2
12
D3
12
D3
13
D4
13
D4
14
D5
14
D5
15
D6
15
D6
(msb)
16
D7
16
(msb)
D7