Dataman 448PRO2, User Manual, Page: 163 / 168

Common notes
163
DATAMAN recommended circuit for PICmicro:
R1
R2
VSS
C1
22n
VSS
R7
47R
D1
VSS
VDD
VSS
R6 1k
D2
1N4148
VSS
R11
22k
C2
1u/25V
VDD
RB6
RB7
MCLR/VPP
VSS
I1
PICxxxxx
DATA
CLK
VDD
MCLR/VPP
ISP connector target device target system
reset circuit
VSS
*1
Note: External reset circuit is necessary only if VDD power-up slope is too slow.
Other
There is needful for regular running of control program for any DATAMAN programmer that
printer port, on which is programmer connected, must be reserved for this programmer only.
Otherwise, any other program must not simultaneously to use (or any way to modify) this
printer port.
PG4UW SW can handle all modes of LPT port (full IEEE 1284 support), thus you don't need to
configure LPT port for connection of DATAMAN programmers.
Please don't move Info window during BUSY LED is on - watching circuit can be activate to
switch the programmer in safe status as in case communication PC-programmer error.
LPT port driver
For programmers connected through parallel LPT port, control program requires correctly
installed LPT port driver. LPT port driver installation and uninstallation is made automatically
by installation program. Normally there are no problems with the driver. But sometimes driver
can not be initialized correctly. It is especially in the case that no LPT1 port is present in the
Windows NT/2000/XP operating systems. When the LPT port driver is not initialized, control
program can not detect any LPT ports in the system.
If LPT port on PCMCIA or Express Card is used, the card must be installed in computer before
starting of operating system.
LPT driver requires port LPT1 to be present in the operating system. Please check the parallel
port LPT1 is present in the system.