Z8536 Cio Port Pins; Table 1-21. Z8536 Cio Port Pins Assignment - Motorola MVME2600 Series Reference Manual

Board Description and Memory Maps
1

Z8536 CIO Port Pins

Port Signal
Pin Name
PA0 TM3_
MID0
PA1 DSR3_
MID1
PA2 RI3_
PA3 LLB3_
MODSEL
PA4 RLB3_
PA5 DTR3_
PA6 BRDFAIL
PA7 IDREQ_
PB0 TM4_
MID2
PB1 DSR4_
MID3
PB2 RI4_
PB3 LLB4_
PB4 RLB4_
PB5 DTR4_
PB6 FUSE
PB7 ABORT_
1-46
The assignment for the Port pins of the Z8536 CIO is as follows:

Table 1-21. Z8536 CIO Port Pins Assignment

Direction
Input Port 3 Test Mode when IDREQ_ = 1;
Module ID Bit 0 when IDREQ_ = 0.
Input Port 3 Data Set Ready when IDREQ_ = 1;
Module ID Bit 1 when IDREQ_ = 0.
Input Port 3 Ring Indicator
Output Port 3 Local Loopback (IDREQ_ = 1) or
Port Select (IDREQ_ = 0):
IDREQ_ = 0 & MODSEL = 0 => Port 3 ID Select
IDREQ_ = 0 & MODSEL = 1 => Port 4 ID Select
Output Port 3 Remote Loopback
Output Port 3 Data Terminal Ready
Output Board Fail: When set will cause FAIL LED to be lit.
Output Module ID Request - low true
Input Port 4 Test Mode when IDREQ_ = 1;
Module ID Bit 2 when IDREQ_ = 0.
Input Port 4 Data Set Ready when IDREQ_ = 1;
Module ID Bit 3 when IDREQ_ = 0.
Input Port 4 Ring Indicator
Output Port 4 Local Loopback
Output Port 4 Remote Loopback
Output Port 4 Data Terminal Ready
Input FUSE = 1 means that at least one of the fuses or
polyswitches is open.
Input Status of ABORT# signal
Descriptions