DS21Q48 Maxim Integrated Products, DS21Q48 Datasheet - Page 27

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