Atmel AT90S8515-8PI User Manual

AT90S4414/8515
60
Figure 48. Port B Schematic Diagram (Pin PB4)
Figure 49. Port B Schematic Diagram (Pin PB5)
DATA BUS
D
D
Q
Q
RESET
RESET
C
C
WD
WP
RD
MOS
PULL-
UP
PB4
SPI SS
MSTR
SPE
WP:
WD:
RL:
RP:
RD:
MSTR:
SPE:
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI MASTER ENABLE
SPI ENABLE
DDB4
PORTB4
RL
RP
DATA BUS
D
D
Q
Q
RESET
RESET
C
C
WD
WP
RD
MOS
PULL-
UP
PB5
R
R
WP:
WD:
RL:
RP:
RD:
SPE:
MSTR
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI ENABLE
MASTER SELECT
DDB5
PORTB5
SPE
MSTR
SPI MASTER
OUT
SPI SLAVE
IN
RL
RP

Atmel AT90S8515-8PI Specifications

General

Brand	Atmel
Model	AT90S8515-8PI
Category	Microcontrollers
Language	English