CHAPTER 9 TIMER/COUNTER FUNCTION (REAL-TIME PULSE UNIT)
229
User’s Manual U14492EJ3V0UD
Figure 9-2. Block Diagram of Timer 0 (Mode 2: Sawtooth Wave)
BFCMn3
CM0n3
BFCMn0
CM0n0
BFCMn1
CM0n1
BFCMn2
CM0n2
TM0n
1/1
1/2
1/4
1/8
1/16
1/32
16
16
12
INTCM0n3
R
S
R
S
R
S
DTMn2
DTMn1
DTMn0
DTRRn
6
TO0n0
(U phase)
TO0n1
(U phase)
TO0n2
(V phase)
TO0n3
(V phase)
TO0n4
(W phase)
TO0n5
(W phase)
Underflow
Underflow
Underflow
f
XX
/2
Selector
Clear
Output control by
external input (ESOn),
TM0n timer operation
f
CLK
R
S
R
S
R
S
R
S
R
S
R
S
ALVUB
ALVVB
ALVWB
ALVTO
f
XX
Remarks 1.
TM0n:
Timer register
CM0n0 to CM0n3:
Compare registers
BFCMn0 to BFCMn3:
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 V850E/IA1 mPD703116
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