HD643303x Hitachi, HD643303x Datasheet - Page 188

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

Block Diagram of Channels 0 and 1: ITU channels 0 and 1 are functionally identical. Both have
the structure shown in figure 8-2.
TCLKA to TCLKD
ø, ø/2, ø/4, ø/8
Legend
TCNT:
GRA, GRB:
TCR:
TIOR:
TIER:
TSR:
Figure 8-2 Block Diagram of Channels 0 and 1 (for Channel 0)
Timer counter (16 bits)
General registers A and B (input capture/output compare registers) (16 bits
Timer control register (8 bits)
Timer I/O control register (8 bits)
Timer interrupt enable register (8 bits)
Timer status register (8 bits)
Clock selector
Comparator
173
Module data bus
Control logic
TIOCA
TIOCB
IMIA0
IMIB0
OVI0
2)
0
0