Watkins-Johnson Company WJ-8718A/MFP Instruction Supplement page 130

WJ-8718A/MFP
Table 4-11. Synthesizer Interface Modules (BFO Frequency)
TABLE 4-11
TABLE 4-1·2
Data
Module
8
9
Description
BFO sign, RF/BFO frequency BFO frequency register
register
Functional Circuit
U12
V13
Tri-State Buffer Internal
(VI2)
Internal
(VI3)
Buffer Clock NA NA
Data Capture Latch
NA NA
Data Capture Clock NA NA
Address Capture Latch U5
V5
Address Capture Clock
V9C,
pin 8
V9C,
pin 8
Address Decode U8, pin 11
V8,
pin 12
NOTE: NA denotes not applicable.
Table 4-12. Synthesizer Interface Support Circuits
Support Circuits Supports Function
V4 V18* Bus transcei ver
V9A V8
WR buffer
V9B V8 Address de-code
V9D V4
Transceiver direction control
VIDA V18*
RD line buffer
VIDB V18* ALE line buffer
VIDC V18*
WR line buffer
VIlA
V18*
Power up/down circuit
VIlB
V18*
RC oscillator circuit
VIlC
V18*
RC oscillator circuit
VIlD U18* RC oscillator circuit
VIlE U18*
RC oscillator circuit
VIlF U18* Power up/down circuit
NOTE: * The entire modular stucture is in support of the microprocessor,
V18.
4-19