Datasheet

5 5
4 4
3 3
2 2
1 1
D D C C B B A A
VCC5
VCC5
VCC5
VCC5
RX0 TX0 SW_OUT RX1 TX1
P30 P31 P32 P34 P12 P13
RST
nEA_INnEA_OUT
TX1_232 RX1_232
nLOADER
nLED
CFG0 CFG1
SW_IN
Size Document Number
Sheet o f
Copyright (C) 2003 - Dallas Semiconductor / MAXIM
87-2C420-KIT
Rev B
DS89C450 Evaluation Kit - Switches/Config
A
6 6Friday, August 03, 2007
SW1.1 - ON FOR DS89C4x0
SW1.2 - ON TO USE SERIAL PORT 0 / LOADER
SW1.3 - ON TO USE SERIAL PORT 0 / LOADER
SW1.4 - ON TO CONNECT SW3 AND nINT0
SW1.5 - ON TO CONNECT SW3 AND T0
SW1.6 - ON TO USE SERIAL PORT 1
SW1.7 - ON TO USE SERIAL PORT 1
SW1.8 - OFF FOR NORMAL USE
RESET PUSHBUTTON
SW4.1 - ON FOR LOADER MODE
SW4.2 - ON TO ENABLE LEDs
SW4.3 - OFF FOR NORMAL USE
SW4.4 - OFF FOR NORMAL USE
SW4.5 - UNUSED
SW4.6 - UNUSED
SW4.7 - UNUSED
SW4.8 - UNUSED
INTERRUPT PUSHBUTTON
SW3
B3FS-1000
1 2 3 4
J5
SPARE INPUTS
1 2 3 4
RN1
RESISTOR SIP - 330 OHM
1 2
3 4 5 6 7 8 9 10
SW1
SW DIP-8
R3
10k
12
SW4
SW DIP-8
R2
10k
12
RN2
RESISTOR SIP - 3.3 K
12
3 4 5 6 7 8 9
10
R4
1.1k
12
SW2
B3FS-1000
1 2 3 4
R1 1.1 K
12