參數(shù)資料
型號(hào)： M34583MD-XXXFP
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP32
封裝： 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù)： 80/153頁
文件大小： 947K
代理商： M34583MD-XXXFP
Rev.3.00
Aug 06, 2004
page 32 of 151
REJ03B0009-0300Z
4583 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Fig. 26 Timer structure (2)
1 - - - - - - - - - - - - - - 16
Watchdog timer
INSTCK
Q
R
S
WDF1
WRST instruction
Q
R
S
WEF
DWDT instruction
+
WRST instruction
RESET signal
Q
T
D
R
RESET signal
Watchdog reset signal
PWMOUT
0
1
I22
0
1
P31/INT1
W33
T3UDF
I20
I23
I21
W31, W30
10
11
01
00
ORCLK
T2UDF
T3F
(TAB3)
(T3AB)
Timer 3 (8)
Timer 3
interrupt
Reload register R3 (8)
Register B Register A
Timer 3
underflow signal
(T3UDF)
One-sided edge
detection circuit
Both edges
detection circuit
W32
1
0
W63
0
1
I20
S
R
Q
C/CNTR1
Register B Register A
Reload register R4H (8)
(TAB4)
(T4AB)
Timer 4 (8)
Reload register R4L (8)
Register B Register A
Reload control circuit
W41
1
0
W40
1/2
ORCLK
XIN
“H” interval expansion
0
1
W42
T4F
R
Q
T
W43
PWMOD
(T4HAB)
(T4R4L)
Timer 4
interrupt
(Note 4)
(TR3AB)
(Note 3)
(Note 5)
(Note 6)
TR3AB:
T4R4L:
INSTCK:
ORCLK:
This instruction is used to transfer the contents of
register A and register B to only reload register R3.
This instruction is used to transfer the contents of
reload register R4L to timer 4.
Instruction clock (system clock divided by 3)
Prescaler output (instruction clock divided by 1 to 256)
Data is set automatically from each reload
register when timer underflows
(auto-reload function).
Notes 3: XIN cannot be used for the count source when bit 1 (MR1) of
register MR is set to “1” and f(XIN) oscillation is stopped.
4: Timer 3 count start synchronous circuit is set by the valid edge
of P31/INT1 pin selected by bits 1 (I21) and 2 (I22) of register I2.
5: Flag WDF1 is cleared to “0” and the next instruction is skipped
when the WRST instruction is executed while flag WDF1 = “1”.
The next instruction is not skipped even when the WRST
instruction is executed while flag WDF1 = “0”.
6: Flag WEF is cleared to “0” and watchdog timer reset does not
occur when the DWDT instruction and WRST instruction are
executed continuously.
7: The WEF flag is set to “1” at system reset or RAM back-up
mode.
Q
R
D
T
W32
W61
T3UDF
Port C output
W31
W30
PWMOUT
(Note 7)
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