DS21348T+ Maxim Integrated Products, DS21348T+ Datasheet - Page 22

• Manufacturer Part Number: DS21348T+
• Description: IC LIU T1/E1/J1 3.3V 44-TQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS21348T+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Product: Framer
• Number Of Transceivers: 1
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 100 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 2-13. MCLK Selection
Figure 2-1. Parallel Port Mode Pinout (BIS1 = 0, BIS0 = 1 or 0) (TQFP
Package)
MCLK
(MHz)
2.048
2.048
1.544
(CCR1.3)
JAMUX
0
1
0
1 CS
2 RD (DS)
3 WR (R/W)
4 ALE (AS)
5 NA
6 NA
7 A4
8 A3
9 A2
10 A1
11 A0
(CCR1.7)
ETS
0
1
1
(NOTE: TIE ALL NA PINS LOW)
Parallel Port
Operation
DS21348
22 of 76
RCL/LOTC 25
BPCLK 31
RRING 28
HRST 29
MCLK 30
PBEO 24
TEST 26
RTIP 27
BIS1 33
BIS0 32
INT 23
tie low
TIE LOW (MUX) OR HIGH (NONMUX)