psd813f3 STMicroelectronics, psd813f3 Datasheet - Page 52

• Manufacturer Part Number: psd813f3
• Description: Flash In-system Programmable Isp Peripherals For 8-bit Mcus
• Manufacturer: STMicroelectronics

PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2
Figure 26. General I/O Port Architecture
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ADDRESS
ALE
MACROCELL OUTPUTS
EXT CS
WR
WR
WR
ENABLE PRODUCT TERM ( .OE )
CONTROL REG.
CPLD- INPUT
DATA OUT
READ MUX
DIR REG.
D
D
G
D
D
REG.
P
D
B
Q
Q
Q
Q
DATA IN
DATA OUT
ADDRESS
OUTPUT
SELECT
OUTPUT
MUX
ENABLE OUT
MACROCELL
INPUT
PORT PIN
AI02885