AM8530H AMD [Advanced Micro Devices], AM8530H Datasheet - Page 170

• Manufacturer Part Number: AM8530H
• Description: Serial Communications Controller
• Manufacturer: AMD [Advanced Micro Devices]

SCC Application Notes
7.5.2
Implementation of an interface without interrupt is straightforward. INTACK must be tied
High when not in use and the shift register provides a means for inserting Wait States.
Figure 7–11 shows the interface between the 68000 and the Am8530H. The Am8530H
SCC. It supports all advanced protocols and has a number of user programmable fea-
tures that provide design flexibility.
68000
DTACK
LDS
R/W
A 23
A 16
A 11
A 10
A 3
A 1
A 2
The 68000 and Am8530H without Interrupts
74LS04
74LS04
Figure 7–11. SCC—68000 Interfacing
XACK
Am29006
Am29006
74LS32
74LS32
ANYE
C
CLK
D
CP
74LS74
74LS04
Q
74LS32
A Q A
B
CLR
74LS164
Q B
Q C
Q D
CLK
CS
D/C
A/B
RD
WR
Am8530H
AMD
7–21