HD643303x Hitachi, HD643303x Datasheet - Page 187

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

8.1.2 Block Diagrams
ITU Block Diagram (overall): Figure 8-1 is a block diagram of the ITU.
TCLKA to TCLKD
ø, ø/2, ø/4, ø/8
TOCXA
TIOCA
TIOCB
Legend
TOER:
TOCR:
TSTR:
TSNC:
TMDR:
TFCR:
0
0
4
Timer output master enable register (8 bits)
Timer output control register (8 bits)
Timer start register (8 bits)
Timer synchro register (8 bits)
Timer mode register (8 bits)
Timer function control register (8 bits)
to TIOCA
to TIOCB
, TOCXB
4
4
4
Figure 8-1 ITU Block Diagram (Overall)
Clock selector
pulse I/O control unit
Counter control and
Module data bus
172
Control logic
TMDR
TODR
TOCR
TSNC
TFCR
TSTR
IMIA0 to IMIA4
IMIB0 to IMIB4
OVI0 to OVI4