MVME5100 Single Board Computer Programmer's Reference Guide

1
Product Data and Memory Maps
Z8536 CIO Port Pins
The assignment for the Port pins of the Z8536 CIO is as follows::
Table 1-20. Z8536 CIO Port Pins Assignment
Port
Pin
Signal Name
Direction Descriptions
PA0 TM3_MID0 Input Port 3 Test Mode when IDREQ_ = 1;
Module ID Bit 0 when IDREQ_ = 0.
PA1 DSR3_MID1 Input Port 3 Data Set Ready when IDREQ_ = 1;
Module ID Bit 1 when IDREQ_ = 0.
PA2 RI3_ Input Port 3 Ring Indicator
PA3 LLB3_MODSEL 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
PA4 RLB3_ Output Port 3 Remote Loopback
PA5 DTR3_ Output Port 3 Data Terminal Ready
PA6 BRDFAIL Output Board Fail: When set will cause FAIL LED to be
lit.
PA7 IDREQ_ Output Module ID Request - low true
PB0 TM4_MID2 Input Port 4 Test Mode when IDREQ_ = 1;
Module ID Bit 2 when IDREQ_ = 0.
PB1 DSR4_MID3 Input Port 4 Data Set Ready when IDREQ_ = 1;
Module ID Bit 3 when IDREQ_ = 0.
PB2 RI4_ Input Port 4 Ring Indicator
PB3 LLB4_ Output Port 4 Local Loopback
PB4 RLB4_ Output Port 4 Remote Loopback
PB5 DTR4_ Output Port 4 Data Terminal Ready
PB6 FUSE Input FUSE = 1 means that at least one of the fuses or
polyswitches is open.
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