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5. CONNECTOR INTERFACE
Table-11
Pin
No.
Serial
Parallel
(Intel)
Parallel
(Motorola)
No.
Pin
Serial
Parallel
(Intel)
Parallel
(Motorola)
1 GND GND GND 2 Vcc Vcc Vcc
5 NC WR/ R/W 6 SCK RD/ E
7 NC DB0 DB0 8 NC DB1 DB1
9 NC DB2 DB2 10 NC DB3 DB3
11 NC DB4 DB4 12 NC DB5 DB5
13 NC DB6 DB6 14 NC DB7 DB7
NC = No Connection
6. JUMPER SETTING
Table-12
Mode J3 J4 J5 J6 J7
Parallel (Motorola)
open shorted open shorted open
Parallel (Intel)
open shorted open open shorted
Serial
shorted open shorted shorted open
7. CIRCUIT BLOCK DIAGRAM
VACUUM
FLUORESCENT
DISPLAY
25-2001FN
DOT MATRIX
VFD
CONTROLLER
AND DRIVER
DC-DC/AC
CONVERTER
NC_SI/SO
RS_STB
R/W_WR/
E_RD/_SCK
DB0-DB7
Vcc
GND
Storage Humidity
Hstg 20 90 %RH Without condensation
Note : JP3~JP7 must be set as shown above for either one of the parallel modes or for the serial mode.
When the module is shipped , the parallel (Motorola) mode is set.
JP2 must be shorted to allow external reset
VFM202SDA1 using Parallel Transfer mode. Jumper setting:J6 shorted and J2,J3,J5,J7 open.
VFM202SDA1-S using Serial Data Transfer mode. Jumper setting:J3,J5,J6 shorted and J2,J7 open
Pin NO. 1,2,3,4,5 using a linker connected.
M0220SD-202SDAR1
3 SI/SO NC/RST NC/RST 4 STB RS
RS