Motorola VL-RISC MCF5202 User Manual
Page 9
MOTOROLA
GATEWAY BOARD
9
7.0 PLD State Diagram
Figure 4: SimpliÞed PLD State Diagram
8.0 PLD ABEL Code
MODULE gateway
TITLE 'The controlling signals between a 5202 and a 68EC000'
gateway device 'ispLSI';
pLSI property 'PART ispLSI1016-80LT44';
pLSI property 'IGNORE_FIXED_PIN OFF';
pLSI property 'PULLUP ON';
pLSI property 'Y1_AS_RESET ON';
pLSI property 'LOCK AVEC
1';
pLSI property 'LOCK HALT
2';
pLSI property 'LOCK PCLK
5';
"pLSI property 'LOCK SDI
8';
pLSI property 'LOCK TT1
9';
pLSI property 'LOCK TT0
10';
pLSI property 'LOCK ATM
11';
pLSI property 'LOCK BR68K
15';
"pLSI property 'LOCK SDO
18';
pLSI property 'LOCK SIZ1
19';
pLSI property 'LOCK BDCF
21';
"pLSI property 'LOCK SCLK
27';
"pLSI property 'LOCK RSTI
29';
Reset
Wait
for
beginning
of ColdFire
cycle
Begin a
68EC000
cycle
Data
Acknowledge
to the
MCF5202
Wait
for
Acknowledge
from
68EC000
TS
TS
TS
TS
DTACK
DTACK
Grant to
ColdFire
Grant to
68EC000
No
Grant
BDCF
BDCF
No
Grant
BR68K
BR68K
BR68K
BR68K
Bus Master
Assert
other control
signals
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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