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PIC16F870/P Datasheet(PDF) 131 Page - Microchip Technology |
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PIC16F870/P Datasheet(HTML) 131 Page - Microchip Technology |
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131 / 156 page  © 1999 Microchip Technology Inc. Preliminary DS30569A-page 131 PIC16F870/871 FIGURE 14-10: PARALLEL SLAVE PORT TIMING (PIC16F871 ONLY) TABLE 14-6: PARALLEL SLAVE PORT REQUIREMENTS (PIC16F871 ONLY) Parameter No. Sym Characteristic Min Typ† Max Units Conditions 62 TdtV2wrH Data in valid before WR ↑ or CS↑ (setup time) 20 25 — — — — ns ns Extended Range Only 63* TwrH2dtI WR ↑ or CS↑ to data–in invalid (hold time) Standard(F)20 — — ns Extended(LF)35 — — ns 64 TrdL2dtV RD ↓ and CS↓ to data–out valid — — — — 80 90 ns ns Extended Range Only 65 TrdH2dtI RD ↑ or CS↓ to data–out invalid 10 — 30 ns * These parameters are characterized but not tested. † Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested. Note: Refer to Figure 14-3 for load conditions. RE2/CS RE0/RD RE1/WR RD7:RD0 62 63 64 65 |
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