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S3C821 Datasheet(PDF) 8 Page - Samsung semiconductor |
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S3C821 Datasheet(HTML) 8 Page - Samsung semiconductor |
8 / 33 page 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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