Hitachi H8/3048 Hardware Manual page 309

Table 10-1 summarizes the ITU functions.
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Table 10-1 ITU Functions
Item
Clock sources
General registers
(output compare/input
capture registers)
Buffer registers
Input/output pins
Output pins
Counter clearing function
Compare 0
match output
1
Toggle
Input capture function
Synchronization
PWM mode
Reset-synchronized
PWM mode
Complementary PWM
mode
Phase counting mode
Buffering
DMAC activation
Interrupt sources
Legend
: Available
—: Not available
Channel 0 Channel 1
Internal clocks: ø, ø/2, ø/4, ø/8
External clocks: TCLKA, TCLKB, TCLKC, TCLKD, selectable independently
GRA0, GRB0 GRA1, GRB1
— —
TIOCA , TIOCA ,
0 1
TIOCB TIOCB
0 1
— —
GRA0/GRB0 GRA1/GRB1
compare compare
match or match or
input capture input capture
— —
— —
— —
— —
GRA0 compare GRA1 compare GRA2 compare GRA3 compare —
match or match or
input capture input capture
Three sources Three sources
• Compare • Compare
match/input match/input
capture A0 capture A1
• Compare • Compare
match/input match/input
capture B0 capture B1
• Overflow • Overflow
297
Channel 2 Channel 3
GRA2, GRB2 GRA3, GRB3
— BRA3, BRB3
TIOCA , TIOCA ,
2 3
TIOCB TIOCB
2 3
— —
GRA2/GRB2 GRA3/GRB3
compare compare
match or match or
input capture input capture
—
—
—
—
—
match or match or
input capture input capture
Three sources Three sources
• Compare • Compare
match/input match/input
capture A2 capture A3
• Compare • Compare
match/input match/input
capture B2 capture B3
• Overflow • Overflow
Channel 4
GRA4, GRB4
BRA4, BRB4
TIOCA ,
4
TIOCB
4
TOCXA ,
4
TOCXB
4
GRA4/GRB4
compare
match or
input capture
—
Three sources
• Compare
match/input
capture A4
• Compare
match/input
capture B4
• Overflow