Typical Input Circuit - Motorola Symbol PL4507 Integration Manual

Installation 2 - 11

Typical Input Circuit

Input Circuit
Figure 2-5
Pull-up resistor, R , is 4.7K ohms, except on SYS_CONFIG0 and SYS_CONFIG1 inputs where Rp is 10K ohms.
p
The input circuit allows a host with 5V logic to communicate directly with the PL4507 and eliminates the possibility
of back powering the decoder.