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S3C821 Datasheet(PDF) 8 Page - Samsung semiconductor

Part # S3C821
Description  S3C8-SERIES MICROCONTROLLES
PDF  33 Pages
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

S3C821 Datasheet(HTML) 8 Page - Samsung semiconductor

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PRODUCT OVERVIEW
S3C821A/P821A
1-8
Table 1-1. S3C821A Pin Descriptions (Continued)
Pin
Names
Pin
Type
Pin
Description
Circuit
Type
Pin
Numbers
Share
Pins
SEG16–
SEG23
I/O
LCD segment signal output
H-32
72–79 (74–80, 1)
P0.0–P0.7
SEG24–
SEG31
I/O
LCD segment signal output
H-32
80, 1–7 (2–9)
P1.0–P1.7
A8–A15
I/O
External interface address lines
H-32
72–79 (74–80, 1)
P0.0–P0.7
AD0–AD7
I/O
External interface address/data lines
H-32
80, 1–7 (2–9)
P1.0–P1.7
AS
I/O
Address strobe
D-4
8 (10)
P2.0
DR
I/O
Data read
D-4
9 (11)
P2.1
DW
I/O
Data write
D-4
18 (20)
P2.2
DM
I/O
Data memory select
D-4
19 (21)
P2.3
NOTE: Parentheses indicate pin number for 80-QFP package.



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