M68360QUADS-040 Hardware User’s Manual
SUPPORT INFORMATION
45
5.2.9
Connector P9 Interconnect Signals
Connector P9 is a triple-row, 96 pin, male DIN connector. P8 and P9 Logic-Analyzer connectors provide
most of the signals of the slave QUICC and the MC68EC040’s. TABLE 5-1 describes the P9 connector
signals.
a. Quicc’s A28 - A31 are used as Write Enables, therefore not connected to EC040’s corresponding signals
C4
TT0
Transfer Type signal 0 pin of the EC040
C5
GND
M68360QUADS-040 board Ground.
C6 - C7
SIZ0 - SIZ1
EC040’s Access Size indicators 0 to 1
C8
BRQ~
Quicc’s Bus Request
C9
BGQ~
Quicc’s Bus Grant
C10
BB~
Bus Busy
C11
AS~
Quicc’s Address Strobe
C12
GND
Board Ground
C13
TT1
EC040’s Transfer Type 1
C14
R/W~
Read / Write
C15
GND
Board Ground
C16
LOCK~
EC040 Locked (RMW) Cycle indicator
C17
DD2~
Quicc’s RAS Double Drive 2
C18
TBI~
EC040’s Transfer Burst Inhibit
C19
TA~
EC040’s Transfer Acknowledge
C20
TEA~
EC040’s Transfer Error Acknowledge
C21
VCC
Board’s VCC plane
C22
RSTH~
Hard reset pin of the QUICC
C23
RSTS~
Soft reset pin of the QUICC
C24
PERR~
Parity error pin of the QUICC
C25
VCC
Board’s VCC plane
C26
TS~
EC040‘s Transfer Start
C27
WE0~
Quicc’s Write Enable 0
C28
WE1~
Quicc’s Write Enable 1
C29
GND
Board’s Ground
C30
WE2~
Quicc’s Write Enable 2
C31
GND
Board’s Ground
C32
WE3~
Quicc’s Write Enable 3
TABLE 5-9 Connector P9 Interconnect Signals
Pin No.
Signal Name
Description
A1
CLK4
Buffered System clock
A2
GND
Board’s Ground
A3
SIA_RX
SIA Receive Data. Also SCC2’s Receive Data
TABLE 5-8 Connector P8 Interconnect Signals
Pin No.
Signal Name
Description
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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