Rainbow Electronics DS26502 - Manual (Page 23)

DS26502 T1/E1/J1/64KCC BITS Element
23 of 125
5. PINOUT
Table 5-1. LQFP Pinout
MODE
PIN TYPE PARALLEL
PORT
SERIAL
PORT
HARDWARE
FUNCTION
1 I/O AD2 SCLK RSM
Parallel Port Mode: Address/Data Bus Bit 2
Serial Port Mode: Serial Clock
Hardware Mode: RS_8K Mode Select
2 I/O AD3 — TSM
Parallel Port Mode: Address/Data Bus Bit 3
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: TS_8K_4 Mode Select
3 I/O AD4 — RMODE0
Parallel Port Mode: Address/Data Bus Bit 4
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Receive Mode Select 0
4 I/O AD5 — RMODE1
Parallel Port Mode: Address/Data Bus Bit 5
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Receive Mode Select 1
5 I/O AD6 — TITD
Parallel Port Mode: Address/Data Bus Bit 6
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Transmit Internal Termination Disable
6 I/O AD7 — RITD
Parallel Port Mode: Address/Data Bus Bit 7
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Receive Internal Termination Disable
7, 24,
58
I DVDD DVDD DVDD Digital Positive Supply
8, 22,
56
I DVSS DVSS DVSS Digital Signal Ground
9 I A0 — E1TS
Parallel Port Mode: Address Bus Bit 0
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: E1 Internal Termination Select
10 I A1 — TAIS
Parallel Port Mode: Address Bus Bit 1
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Transmit AIS
11 I A2 — L0
Parallel Port Mode: Address Bus Bit 2
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Line Build-Out Select 0
12 I A3 — L1
Parallel Port Mode: Address Bus Bit 3
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Line Build-Out Select 1
13 I A4 CPHA L2
Parallel Port Mode: Address Bus Bit 4
Serial Port Mode: Serial Port Clock Phase Select
Hardware Mode: Line Build-Out Select 2
14 I A5 CPOL TMODE0
Parallel Port Mode: Address Bus Bit 5
Serial Port Mode: Serial Port Clock Polarity Select
Hardware Mode: Transmit Mode Select 0
15 I A6 — MPS0
Parallel Port Mode: Address Bus Bit 6
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: MCLK Prescaler Select 0
16 I ALE (AS)/A7 — MPS1
Parallel Port Mode: Address Latch Enable/Address Bus
Bit 7
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: MCLK Prescaler Select 1