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PIC18F4520E/MLQTP Datasheet(PDF) 259 Page - Microchip Technology |
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PIC18F4520E/MLQTP Datasheet(HTML) 259 Page - Microchip Technology |
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259 / 390 page  2004 Microchip Technology Inc. Preliminary DS39631A-page 257 PIC18F2420/2520/4420/4520 REGISTER 23-12: DEVID1: DEVICE ID REGISTER 1 FOR PIC18F2420/2520/4420/4520 REGISTER 23-13: DEVID2: DEVICE ID REGISTER 2 FOR PIC18F2420/2520/4420/4520 RR RR RR RR DEV2 DEV1 DEV0 REV4 REV3 REV2 REV1 REV0 bit 7 bit 0 bit 7-5 DEV2:DEV0: Device ID bits 000 = PIC18F4520 010 = PIC18F4420 100 = PIC18F2520 110 = PIC18F2420 bit 4-0 REV4:REV0: Revision ID bits These bits are used to indicate the device revision. Legend: R = Read-only bit P = Programmable bit U = Unimplemented bit, read as ‘0’ -n = Value when device is unprogrammed u = Unchanged from programmed state RRRR RRRR DEV10 DEV9 DEV8 DEV7 DEV6 DEV5 DEV4 DEV3 bit 7 bit 0 bit 7-0 DEV10:DEV3: Device ID bits These bits are used with the DEV2:DEV0 bits in the Device ID Register 1 to identify the part number. 0000 1100 = PIC18F2420/2520/4420/4520 devices Note: These values for DEV10:DEV3 may be shared with other devices. The specific device is always identified by using the entire DEV10:DEV0 bit sequence. Legend: R = Read-only bit P = Programmable bit U = Unimplemented bit, read as ‘0’ -n = Value when device is unprogrammed u = Unchanged from programmed state |
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