
5 Connector Pin Specifications for Serial Programming
5.1 Connector (MFW1U Unit)
Model Name: HIF2FC-10PA-2.54DS Made by Hirose Electric
5.2 Pin Assignment (MFW1U Unit)
The signal name and the direction are what was seen from the writer side.
Pin No.
Signal
Name
Description Direction
1 Vcc
When to be programmed target is:
Serial adapter: power is supplied to serial adapter from the
MFW1U via Vcc pins.
User prepared target board: power is supplied to the MFW1U via
Vcc pins from target board prepared by user.
(Note 1)
-
2
BUSY
Busy signal input for serial programming
Input
3
CLK
Clock signal output for serial programming
Output
4 TXD
Transmission
data
for serial programming
Output
5
CE
CE signal output for serial programming
Output
6
EPM
EPM signal output for serial programming
Output
7 GND
Signal
ground
-
8
RESET
RESET signal output for serial programming
Output
9
CNVss
CNVss (Vpp) signal output for serial programming
Output
10
RXD
Receiving data for serial programming
Input
Note 1:
Attach the AC adapter to supply power when the current capacity of the target board
is insufficient since the maximum current consumption of the MFW1U for serial
programming is 200mA. Usage of Vcc should be 3.3V
±
5% or 5V
±
5%.
SERIAL
9Pin
2Pin
1Pin
10Pin
Multifunctional Flash Microcomputer [S550-MFW1U]
18
Operation Manual