參數(shù)資料
型號: M34571G4
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機的CMOS
文件頁數(shù): 28/126頁
文件大?。?/td> 1627K
代理商: M34571G4
Rev.1.02
REJ03B0179-0102
May 25, 2007
Page 28 of 124
4571 Group
Fig 31. Timers structure (1)
Data is set automatically from each reload register
when timer underflows (auto-reload function).
X
IN
ORCLK
W5
0
0
1
D
4
/CNTR0
1/2
Port D
4
output
W5
2
0
1
W2
3
0
1
T1UDF
T2UDF
P2
0
/INT0
I1
2
0
1
I1
1
0
1
One-sided edge
detection circuit
INTSNC
I1
3
11
10
01
00
W2
1
, W2
0
PWMOUT
ORCLK
STCK
T1UDF
W2
2
Timer 2 (8)
Reload register R2 (8)
(T2AB)
(T2AB)
Register B
(TAB2)
Register A
(T2AB)
(TAB2)
T2F
Timer 2
interrupt
T2UDF
11
10
01
00
W1
1
, W1
0
PWMOUT
ORCLK
STCK
CNTR0IN
W1
2
W5
3
0
1
(Note 1)
S
R
Q
INT0SNC
I1
0
W1
3
T1UDF
Timer 1 (8)
Reload register R1 (8)
(T1AB)
(T1AB)
Register B
(TAB1)
Register A
(T1AB)
(TAB1)
T1F
Timer 1
interrupt
T1UDF
PA
1
0
1
00
01
10
11
MR3,MR2
Division circuit
Divided by 8
Divided by 4
Divided by 2
Internal clock
generating circuit
(divided by 3)
System clock (STCK)
Instruction clock
(INSTCK)
Prescaler (8)
PA
0
Reload register RPS (8)
Register B
(TABPS)
(TPSAB)
Register A
(TPSAB)
(TPSAB)
(TABPS)
1/4
PWMOUT: PWM signal (output from timer 3)
CNTR0IN
(TR1AB)
Both edges
detection circuit
Note 1: Timer 1 count start synchronous circuit is synchronized with the valid edge of
INT pin selected by bits 1 (I1
1
) and 2 (I1
2
) of register I1.
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