Atmel AVR AT90S2313 User Manual

60
AT90S2313
0839G–08/01
Figure 45. Port D Schematic Diagram (Pin PD1)
Figure 46. Port D Schematic Diagram (Pins PD2 and PD3)
DATA BUS
D
D
Q
Q
RESET
RESET
C
C
WD
WP
RD
RP
RL
MOS
PULL-
UP
PD1
R
R
WP:
WD:
RL:
RP:
RD:
TXD:
TXEN:
WRITE PORTD
WRITE DDRD
READ PORTD LATCH
READ PORTD PIN
READ DDRD
UART TRANSMIT DATA
UART TRANSMIT ENABLE
DDD1
PORTD1
TXEN
TXD

Atmel AVR AT90S2313 Specifications

General

Architecture	AVR
CPU	8-bit
Manufacturer	Atmel
Model	AT90S2313
Flash Memory	2 KB
SRAM	128 Bytes
EEPROM	128 Bytes
Clock Speed	Up to 10 MHz
I/O Pins	15
Timer	1 x 8-bit, 1 x 16-bit
Operating Temperature Range	-40°C to +85°C
Data Bus Width	8-bit
Communication Interfaces	USART
Package	SOIC
Series	AVR AT90S