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MEGA128CAN Datasheet(PDF) 77 Page - ATMEL Corporation

Part # MEGA128CAN
Description  Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER
PDF  413 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

MEGA128CAN Datasheet(HTML) 77 Page - ATMEL Corporation

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77
AT90CAN128
4250E–CAN–12/04
Table 39 and Table 40 relates the alternate functions of Port D to the overriding signals
shown in Figure 34 on page 67.
Note:
1. When enabled, the Two-wire Serial Interface enables Slew-Rate controls on the out-
put pins PD0 and PD1. This is not shown in this table. In addition, spike filters are
connected between the AIO outputs shown in the port figure and the digital logic of
the TWI module.
Table 39. Overriding Signals for Alternate Functions PD7..PD4
Signal Name
PD7/T0
PD6/T1/RXCAN
PD5/XCK1/TXCAN
PD4/ICP1
PUOE
0
RXCANEN
TXCANEN +
0
PUOV
0
PORTD6 • PUD
00
DDOE
0
RXCANEN
TXCANEN
0
DDOV
0
0
1
0
PVOE
0
0
TXCANEN + UMSEL1
0
PVOV
0
0
(XCK1 OUTPUT •
UMSEL1 • TXCANEN)
+ (TXCAN • TXCANEN)
0
PTOE
0
0
0
0
DIEOE
0
0
0
0
DIEOV
0
0
0
0
DI
T0 INPUT
T1 INPUT/RXCAN
XCK1 INPUT
ICP1 INPUT
AIO
––
–
–
Table 40. Overriding Signals for Alternate Functions in PD3..PD0
(1)
Signal Name
PD3/INT3/TXD1
PD2/INT2/RXD1
PD1/INT1/SDA
PD0/INT0/SCL
PUOE
TXEN1
RXEN1
TWEN
TWEN
PUOV
0
PORTD2 • PUD
PORTD1 • PUD
PORTD0 • PUD
DDOE
TXEN1
RXEN1
0
0
DDOV
1
0
0
0
PVOE
TXEN1
0
TWEN
TWEN
PVOV
TXD1
0
SDA_OUT
SCL_OUT
PTOE
0
0
0
0
DIEOE
INT3 ENABLE
INT2 ENABLE
INT1 ENABLE
INT0 ENABLE
DIEOV
INT3 ENABLE
INT2 ENABLE
INT1 ENABLE
INT0 ENABLE
DI
INT3 INPUT
INT2 INPUT/RXD1
INT1 INPUT
INT0 INPUT
AIO
––
SDA INPUT
SCL INPUT



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