3. INSTALLATION AND USE
The
HC912-Programmer
includes two LED’s and mode jumper (Figure 1).
Color LED’s indicates programmer state and external power supply voltage (Table
1, 2
).
GREEN
HC912-Programmer
is ready.
GREEN Flashing
HC912-Programmer
is busy.
RED
Error occurred while operation.
DARK
Voltage applied to
HC912-Programmer
lower than 6 Volt.
Table 1. LED D1 color meaning
GREEN
Motorola device powered on.
DARK
Motorola device powered off.
Table 2. LED D4 color meaning
Jumper-1 (JP1) is intended for
HC912-Programmer
mode selection (see Table 3).
JP1 Shorted
Normal operation. Motorola device EEPROM/FLASH
Reading/Programming.
JP1 Opened
Service mode.
HC912-Programmer
firmware update.
Table 3.
HC912-Programmer
operation
modes
&
Note
: When Service mode sele ted LED D1 will be
RED.
c
12V
Power
Connector
S
e
ri
a
l
P
o
rt
C
o
n
n
e
c
to
r
C
O
M
1
..
.8
BDM ICP
Motorola Device Socket for
On-Board Programming
D4
D1
JP1
1-Pin Key
BKGD
GND
RES
VDD
P5
Figure 1. The
HC912-Programmer
board layout
©ETL 2004-2006
MC68HC912/9S12 Programmer User’s Guide
4
