Datasheet

6
revolution
Revolution Education Ltd. Email: [e-mail] Web: www.rev-ed.co.uk Version 1.0 01/09
AXE091.PMD
AXE091 PICAXE DEVELOPMENT BOARD
pack.
Input and Output Header Summary:
Right hand header
V+ Positive power supply
0V Ground
KD Keyboard Data
KC Keyboard Clock
IRR Infra-red receiver
IRL Infra-red LED
L3 Red LED L3
L2 Yellow LED L2
L1 Green LED L1
SVO Servo header
LDR LDR sensor
TMP DS18B20 temperature sensor
SW3 Switch SW3
SW2 Switch SW2
SW1 Switch SW1
POT Preset resistor
V+ Positive power supply
V+ Positive power supply
0V Ground
0V Ground
I2C header
WP 24LCxx EEPROM write protect (pulled low)
SDA i2c Data (24LCxx and DS1307)
SCL i2c Clock (24LCxx and DS1307)
OUT DS1307 open collector output
RS232 header
N TXD Inverted polarity transmit (via 3.5mm jack socket)
RXD Inverted polarity receive (via 3.5mm jack socket)
T TXD True polarity transmit (via MAX202 / 9 pin socket)
RXD True polarity receive (via MAX202 / 9 pin socket)
SPI header
CS 25LCxx EEPROM Chip Select
SDO 25LCxx Data Out
SDI 25LCxx Data In
SCL 25LCxx Clock
Seven Segment Display
A-G LED segments (no resistor provided)
DP Decimal point LED (no resistor provided)
Common cathode is connected to 0V
BAT Header