Rainbow Electronics DS26504 User Manual

Page 24

DS26504 T1/E1/J1/64KCC BITS Element

24 of 128

MODE

PIN TYPE PARALLEL

PORT

SERIAL

PORT

HARDWARE

FUNCTION

BIS1

Bus Interface Select Mode 1

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

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

Hardware Mode: Transmit Mode Select 3

63 I/O

AD0

MISO

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