Atmel AVR AT90CAN32 User Manual

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Table 9-4 and Table 9-5 relates the alternate functions of Port A to the overriding signals shown
in Figure 9-5 on page 72.
Note: 1. ADA is short for ADdress Active and represents the time when address is output. See “Exter-
nal Memory Interface” on page 27 for details.
Note: 1. ADA is short for ADdress Active and represents the time when address is output. See “Exter-
nal Memory Interface” on page 27 for details.
Table 9-4. Overriding Signals for Alternate Functions in PA7..PA4
Signal Name PA7/AD7 PA6/AD6 PA5/AD5 PA4/AD4
PUOE
SRE •
(ADA
(1)
+ WR)
SRE •
(ADA
(1)
+ WR)
SRE •
(ADA
(1)
+ WR)
SRE •
(ADA
(1)
+ WR)
PUOV0000
DDOE SRE SRE SRE SRE
DDOV WR
+ ADA WR + ADA WR + ADA WR + ADA
PVOE SRE SRE SRE SRE
PVOV
A7 • ADA
(1)
+ D7
OUTPUT • WR
A6 • ADA
(1)
+ D6
OUTPUT • WR
A5 • ADA
(1)
+ D5
OUTPUT • WR
A4 • ADA
(1)
+ D4
OUTPUT • WR
PTOE0000
DIEOE0000
DIEOV0000
DI D7 INPUT D6 INPUT D5 INPUT D4 INPUT
AIO––––
Table 9-5. Overriding Signals for Alternate Functions in PA3..PA0
Signal Name PA3/AD3 PA2/AD2 PA1/AD1 PA0/AD0
PUOE
SRE •
(ADA
(1)
+ WR)
SRE •
(ADA
(1)
+ WR)
SRE •
(ADA
(1)
+ WR)
SRE •
(ADA
(1)
+ WR)
PUOV0000
DDOE SRE SRE SRE SRE
DDOV WR
+ ADA WR + ADA WR + ADA WR + ADA
PVOE SRE SRE SRE SRE
PVOV
A3 • ADA
(1)
+ D3
OUTPUT • WR
A2 • ADA
(1)
+ D2
OUTPUT • WR
A1 • ADA
(1)
+ D1
OUTPUT • WR
A0 • ADA
(1)
+ D0
OUTPUT • WR
PTOE0000
DIEOE0000
DIEOV0000
DI D3 INPUT D2 INPUT D1 INPUT D0 INPUT
AIO––––

Atmel AVR AT90CAN32 Specifications

General

Brand	Atmel
Model	AVR AT90CAN32
Category	Microcontrollers
Language	English