HD6473228P10V Datasheet, PDF (123/301 Pages) Renesas Technology Corp – Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp

6.1.2 Block Diagram
Figure 6-1 is a block diagram of the parallel handshaking interface.
OS
BUSY
IS
Control
logic
HCSR
ISI interrupt
signal
C
D _Input Q
latch
P3n
WP3: Write Port 3
RP3: Read Port 3
WP3D: Write Port 3 DDR
n =0 to7
Port 3
RP3
Reset
R
Q
D
P3n DR
C
WP3
Reset
R
Q
D
P3n DDR
C
WP3D
Figure 6-1. Block Diagram of Parallel Handshaking Interface
Figure 6-1
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