PSD301-B-15J STMICROELECTRONICS [STMicroelectronics], PSD301-B-15J Datasheet - Page 65

• Manufacturer Part Number: PSD301-B-15J
• Description: Low Cost Field Programmable Microcontroller Peripherals
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 38. Port A as AD0–AD7 Timing (Track Mode) Using RD, WR (PSD3X2/3X3)
62
PSD3XX Family
RD/E/DS as RD
R/W as WR
Multiplexed
PAD Inputs
WR/V
PAD Input
See referenced notes on page 64.
PA0-PA7
A0/AD0-
A7/AD7
or ALE
Direct
PP
CSOi
ALE
(1,4)
(5,7)
(3,6)
or
2
1
23
STABLE INPUT
2
ADDRESS
ADR OUT
24
3
STABLE INPUT
READ CYCLE
4
25
DATA IN
12
DATA VALID
26
32
32
1
2
23
2
STABLE INPUT
ADDRESS
ADR OUT
STABLE INPUT
24
WRITE CYCLE
3
11
28
12A
27
WRITTEN
32
32
DATA
DATA
OUT
29