AN2008 Motorola / Freescale Semiconductor, AN2008 Datasheet - Page 10

• Manufacturer Part Number: AN2008
• Description: Evaluating ColdFire in a 68K Target System: MCF5307 to MC68EC020 Gateway Reference Design
• Manufacturer: Motorola / Freescale Semiconductor

Appendix A
PALASM Control Equations for PAL U10
TITLE
PATTERN
REVISION
DATE
AUTHOR
COMPANY
CHIP
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
PIN
EQUATIONS
BG = (BD + (BR * /BR_TGT)) * /RESET
BG_TGT = BR_TGT * /BG * /RESET
FC1 = /TT0 * /TT1 * /TM0 * /TM1 * /TM2 * /RESET; Set FC1=1 for ;interrupt level
7 ack.
DMACK = /TT0 * TT1
DS = AS * /RESET
PALASM Control Equations for PAL U10
10
U10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PALCE16V8
CLK
/RESET
/TT0
/TT1
/BR_TGT
/BR
/BD
/WR
/AS
GND
NC
/TM0
/TM1
/BG_TGT
/BG
/TM2
FC1
/DMACK
/DS
VCC
MCF5307 to MC68EC020 Gateway Reference Design
U10_BUS_ARBITRATION
P00001
1
5th March 1998
Pete Highton
Motorola SPS (c) 1998
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL
COMBINATORIAL; O/P
COMBINATORIAL; O/P
COMBINATORIAL
COMBINATORIAL; O/P
COMBINATORIAL; O/P
COMBINATORIAL; O/P
; Bus grant to the target H/W
; More info. on TM settings!
; Delay write cycle DS by 1 clock.