CHAPTER 9 TIMER/COUNTER FUNCTION
199
User’s Manual U15195EJ5V0UD
Figure 9-2. Block Diagram of Timer 0 (Mode 2: Sawtooth Wave)
Selector
f
XX
/2
BFCMn3
CM0n3
BFCMn0
CM0n0
BFCMn1
CM0n1
BFCMn2
CM0n2
TM0n
1/1
1/2
1/4
1/8
1/16
1/32
16
16
12
f
CLK
INTCM0n3
R
S
R
S
R
S
DTMn2
DTMn1
DTMn0
DTRRn
Output control by
external input (ESOn),
TM0n timer operation
Clear
Underflow
Underflow
Underflow
R
S
R
S
R
S
R
S
R
S
R
S
ALVTO
ALVUB
ALVVB
ALVWB
6
TO0n0
(U phase)
TO0n1
(U phase)
TO0n2
(V phase)
TO0n3
(V phase)
TO0n4
(W phase)
TO0n5
(W phase)
BFCMn4
CM0n4
BFCMn5
CM0n5
INTCM0n4
INTCM0n5
INTCM010
INTCM011
INTCM012
f
XX
Remarks 1.
TM0n:
Timer register
CM0n0 to CM0n5:
Compare registers
BFCMn0 to BFCMn5: Buffer registers
DTRRn:
Dead-time timer reload register
DTMn0 to DTMn2:
Dead-time timers
ALVTO:
Bit 7 of TOMRn register
ALVUB:
Bit 6 of TOMRn register
ALVVB:
Bit 5 of TOMRn register
ALVWB:
Bit 4 of TOMRn register
2.
n = 0, 1
3.
f
XX
: Internal system clock
4.
f
CLK
: Base clock (40 MHz (MAX.))
Содержание PD703114
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