EV8000 Datasheet, PDF (11/35 Pages) CML Microcircuits – Evaluation Kit User

Evaluation Kit User Manual for FX828 and FX829
EV8000
CONNECTOR PINOUT - µC BOARD
Connector Connector
Ref.
Pin No.
Signal
Name
Signal
Type
J3
1
DCD
Output
2
RXD
Output
3
TXD
Input
4
DTR
Input
5
VSS
Power
6
DSR
Output
7
RTS
Input
8
CTS
Output
9
-
-
J4
1
2
VSS
VIN
Power
Power
Description
PC connection (linked to DTR).
PC connection to screen.
PC connection to keyboard.
PC connection.
0V common connection to PC.
PC connection (linked to DTR).
PC 'RTS' connection.
PC 'CTS' connection.
Not used. No connection needed.
0V power from external power supply.
+ve power from external power supply.
Test Point
Ref.
TP1
TP2
TP3
TP4
TP5
TEST POINTS - µC BOARD
Default
Measurement
8 - 35V
3.3V or 5.0V
0V
0V
3.3V or 5.0V
Description
VIN _connection.
VDD _connection.
VSS _connection.
VSS _connection.
VPP connection (13.0V in programming mode).
Link
Ref.
JP1
JP2_1,2
JP3
JP4 to JP7
SW1
JUMPERS - µC BOARD
Positions
Default
Position
1-2 or 2-3
2-3
1-2
1-2
1-2
1-2
1-2
n/f
-
o/c
Description
Sets VDD = 3.3V (1-2) or VDD = 5.0V (2-3)
Disconnect to supply external clock to JP2_1 (1).
Connects TXD to RS232 converter in normal use.
Only fitted (and JP3 removed) in Programming Mode.
Push to reset switch. (Default = o/c = not reset).
Notes:
I/P = Input
O/P = Output
Logic HI level ≈ +V_DD
BI = Bidirectional
Logic LO level ≈ 0V (V_SS)
© 2004 CML Microsystems Plc
11
UM8000/4