I/O Control Block Diagram - HP PageWriter XL M1705B Service Manual

CONTROLS
A
INTERRUPTS
LATCHED
ADDRESS
BUFFERED
DATA
32 MHz
OSCILLATOR
FGA
PbSELECTS AND ENABLES
CONTROL
CONTROL
TRANSCEIVER
DATA BUS
ARBITRATION CONTROLS
F' M INTERFACE
SIGNALS
BUFFEREC
DATA
M 1700-05
Figure 5-6. I/O Control Block Diagram.
Theory of Operation 5-13