PM9109BF
The designation of the pins on connector SK1 are given below:
PM9109B PC Parallel Connectors (Suggested)
Pin
Description
Pin
Description
1
2
3
4
5
GND
PB
PCLK
PDTA
PGM
18
2
4
5
3
GND
D1
D3
D4
D2
Note: The recommended connections above are applicable for the demonstration
software provided with the PM9109BF.
6. Optical Port
The optical port has been designed to meet the IEC1107 Mode D specification.
This facility offers a pulse output as well as a serial data meter reading facility.
Three types of interfacing elements from the PM9109BF are available:
a) Infra-red optical port
b) Red LED
c) Opto-coupler
In order to maximise the intensity of the element, it is suggested that only one of
the outputs be used at any one time.
Jumper
Element
J5
J6
J7
Opto Coupler
Infra Red LED
Red LED
7. Liquid Crystal Display (LCD)
The PM9109BF includes a LCD comprising of seven digits with announciators.
To cater for compatibility with future devices, four jumpers are provided for
backplane driving configurations. The PM9109BF boards are shipped to the
customer with jumpers in a default configuration.
This note refers to the SA9109B data sheet throughout the text and it is
recommendedthatacopyofthedatasheetoftheSA9109Bisonhandwhenreading
through this description.
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