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MEGA128CAN Datasheet, PDF (74/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER | |||
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⢠A14 â Port C, Bit 6
A14, External memory interface address 14.
⢠A13 â Port C, Bit 5
A13, External memory interface address 13.
⢠A12 â Port C, Bit 4
A12, External memory interface address 12.
⢠A11 â Port C, Bit 3
A11, External memory interface address 11.
⢠A10 â Port C, Bit 2
A10, External memory interface address 10.
⢠A9 â Port C, Bit 1
A9, External memory interface address 9.
⢠A8 â Port C, Bit 0
A8, External memory interface address 8.
Table 36 and Table 37 relate the alternate functions of Port C to the overriding signals
shown in Figure 34 on page 67.
Table 36. Overriding Signals for Alternate Functions in PC7..PC4
Signal Name PC7/A15
PC6/A14
PC5/A13
PUOE
SRE ⢠(XMM<1)
SRE ⢠(XMM<2) SRE ⢠(XMM<3)
PUOV
DDOE
0
CKOUT(1) +
(SRE ⢠(XMM<1))
0
0
SRE ⢠(XMM<2) SRE ⢠(XMM<3)
DDOV
PVOE
PVOV
1
CKOUT(1) +
(SRE ⢠(XMM<1))
(A15 ⢠CKOUT(1)) +
(CLKO ⢠CKOUT(1))
1
SRE ⢠(XMM<2)
A14
1
SRE ⢠(XMM<3)
A13
PTOE
0
0
0
DIEOE
0
0
0
DIEOV
0
0
0
DI
â
â
â
AIO
â
â
â
Note: 1. CKOUT is one if the CKOUT Fuse is programmed
PC4/A12
SRE ⢠(XMM<4)
0
SRE ⢠(XMM<4)
1
SRE ⢠(XMM<4)
A12
0
0
0
â
â
74 AT90CAN128
4250EâCANâ12/04
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