Rainbow Electronics DS26503 - Manual (Page 25)

DS26503 T1/E1/J1 BITS Element
25 of 123
MODE
PIN TYPE PARALLEL
PORT
SERIAL
PORT
HARDWARE
FUNCTION
60 I CS CS RLB
Parallel Port Mode: Chip Select (Active Low)
Serial Port Mode: Chip Select (Active Low)
Hardware Mode: Remote Loopback Enable
61 I RD (DS) — RMODE2
Parallel Port Mode: Read Input (Data Strobe), Active
Low.
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Receive Mode Select 2
62 I WR (R/W) — TMODE3
Parallel Port Mode: Write Input (Read/Write), Active
Low
Serial Port Mode: Unused, should be connected to V
SS
.
Hardware Mode: Transmit Mode Select 3
63 I/O AD0 MIS0 TCSS0
Parallel Port Mode: Address/Data Bus Bit 0
Serial Port Mode: Serial Data Out (Master In-Slave
Out)
Hardware Mode: Transmit Clock Source Select 0
64 I/O AD1 MOSI RMODE3
Parallel Port Mode: Address/Data Bus Bit 1
Serial Port Mode: Serial Data In (Master Out-Slave In)
Hardware Mode: Receive Mode Select 3