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| PIC18F6390_07 Datasheet, PDF (288/414 Pages) Microchip Technology – 64/80-Pin Flash Microcontrollers with LCD Driver and nanoWatt Technology | |||
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PIC18F6390/6490/8390/8490
REGISTER 23-7: DEVID1: DEVICE ID REGISTER 1 FOR PIC18F6390/6490/8390/8490 DEVICES
R
DEV2
bit 7
R
DEV1
R
DEV0
R
REV4
R
REV3
R
REV2
R
REV1
R
REV0
bit 0
Legend:
R = Readable bit
P = Programmable bit
-n = Value when device is unprogrammed
U = Unimplemented bit, read as â0â
u = Unchanged from programmed state
bit 7-5
bit 4-0
DEV2:DEV0: Device ID bits
100 = PIC18F8390/8490
101 = PIC18F6390/6490
REV4:REV0: Revision ID bits
These bits are used to indicate the device revision.
REGISTER 23-8: DEVID2: DEVICE ID REGISTER 2 FOR PIC18F6390/6490/8390/8490 DEVICES
R
DEV10(1)
bit 7
R
DEV9(1)
R
DEV8(1)
R
DEV7(1)
R
DEV6(1)
R
DEV5(1)
R
DEV4(1)
R
DEV3(1)
bit 0
Legend:
R = Readable bit
P = Programmable bit
-n = Value when device is unprogrammed
U = Unimplemented bit, read as â0â
u = Unchanged from programmed state
bit 7-0
DEV10:DEV3: Device ID bits(1)
These bits are used with the DEV2:DEV0 bits in the Device ID Register 1 to identify the part number.
0000 0110 = PIC18F6490/8490 devices
0000 1011 = PIC18F6390/8390 devices
Note 1: 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.
DS39629C-page 286
© 2007 Microchip Technology Inc.
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