參數(shù)資料
型號： M34509G4H-XXXFP
元件分類： 微控制器/微處理器
英文描述： 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO24
封裝： 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁數(shù)： 70/145頁
文件大?。?/td> 1060K
代理商： M34509G4H-XXXFP
Rev.1.03
2009.07.27
page 28 of 140
REJ03B0147-0103
4509 Group
Fig. 23 Timers structure (2)
PWM2
W11, W10
10
11
01
00
ORCLK
f(RING)
T1F
(TAB1)
(T1AB)
Timer 1 (8)
Timer 1
interrupt
Reload register R1L (8)
Register B Register A
Timer 1 underflow signal
W12
P11/CNTR1
0
1
(T1UDF)
Reload register R1H (8)
(T1HAB)
Register B Register A
(T1R1L)
Reload control circuit
(Note 3)
Q
R
T
W13
1
0
W51
Q
R
S
0
1
I12
0
1
P13/INT
I13
I11
One-sided edge
detection circuit
Both edges
detection circuit
INTSNC
W60
INTSNC
I10
W52
T1UDF
(Note 1)
T1UDF
W21, W20
10
11
01
00
ORCLK
STCK
T2F
(TAB2)
(T2AB)
Timer 2 (8)
Timer 2
interrupt
Reload register R2L (8)
Register B Register A
W22
Reload register R2H (8)
(T2HAB)
Register B Register A
(T2R2L)
Reload control circuit
(Note 4)
Q
R
T
W23
1
0
W61
W50
W61
I13
(Note 2)
Q
R
D
T
INTSNC
PWM1
PWM2
0
1
0
W53
P12/CNTR0
Port P12 output
PWM1
1
0
W63
Port P11 output
Q
R
D
T
P11/CNTR1
PWM2
W12
W62
T1UDF
PWMOD2
T1R1L:
T2R2L:
STCK:
ORCLK:
This instruction is used to transfer the contents of
reload register R1L to timer 1.
This instruction is used to transfer the contents of
reload register R2L to timer 2.
System clock
Prescaler output
Data is set automatically from each reload
register when timer underflows
(auto-reload function).
Notes 1: Timer 1 count start synchronous circuit is synchronized
with the valid edge of INT pin selected by bits 1 (I11) and
2 (I12) of register I1.
2: Timer 2 INT input period count circuit is used to count
the valid edge period of INT pin selected by bits 1 (I11)
and 2 (I12) of register I1.
3: When the PWM1 function is valid (W13=“1”), the value is
auto-reloaded alternately from reload register R1L and
R1H every timer 1 underflow.
When the PWM1 function is invalid (W13=“0”), the value
is auto-reloaded from reload register R1L only.
4: When the PWM2 function is valid (W23=“1”), the value is
auto-reloaded alternately from reload register R2L and
R2H every timer 2 underflow.
When the PWM2 function is invalid (W23=“0”), the value
is auto-reloaded from reload register R2L only.
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