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參數(shù)資料
| 型號： | M38C37ECMFS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, UVPROM, 4 MHz, MICROCONTROLLER, CQCC80 |
| 封裝： | 0.80 MM PITCH, CERAMIC, LCC-80 |
| 文件頁數(shù)： | 18/65頁 |
| 文件大?。?/td> | 808K |
| 代理商： | M38C37ECMFS |
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22
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C3 Group
Timer A underflow
interrupt request
Timer A (high-order) (8)
Timer A (low-order) (8)
Timer A (high-order) latch (8) Timer A (low-order) latch (8)
Timer A
operating
mode bits
Timer A write control bit
Data bus
XIN
1/1
1/2
1/4
Timer A count
source selection bit
1/8
Output selection bit
P50 latch
TAOUT active
edge switch bit
P50/TAOUT
P50
direction
register
S
“0”
“1”
Q
D
Compare register (high-order) (8) Compare register (low-order) (8)
1/2
1/4
Divider
Noise filter sampling
clock selection bit
INT0
0
s
Delay
circuit
External trigger delay
time selection bit
4/f(XIN)
TAOUT output
control bit 1
TAOUT output
control bit 2
“0”
“1”
“0”
“1”
“10”
R
Timer A start
signal
INT1
INT2
“00”
“01”
“10”
“11”
Internal trigger start
“00”, “01”, “11”
“10”
Match
“00”, “01”, “11”
Timer A operating
mode bits
TAOUT active
edge switch bit
S
“0”
“1”
Q
T
S
Pulse output mode
IGBT output mode
PWM mode
8/f(XIN)
16/f(XIN)
Note: The initial value of M version becomes “1” (output).
(Note)
Noise filter
(4-time same levels judgement)
Divider
Fig. 19 Block diagram of timer A
Fig. 20 Structure of timer A related registers
b7
b0
Timer A control register
(TACON : address 003116)
Noise filter sampling clock selection bit
0 : f(XIN)/2
1 : f(XIN)/4
External trigger delay time selection bits
0 0 : No delay
0 1 : ( 4/f(XIN))
s
1 0 : ( 8/f(XIN))
s
1 1 : (16/f(XIN))
s
Timer A output control bit 1 (P56)
0 : Not used
1 : INT1 interrupt used
Timer A output control bit 2 (P57)
0 : Not used
1 : INT2 interrupt used
Not used (returns “0” when read)
b7
b0
Timer A mode register
(TAM : address 003016)
Timer A operating mode bits
00 : Timer mode
01 : Pulse output mode
10 : IGBT output mode
11 : PWM mode
Timer A write control bit
0 : Write data to both timer latch and timer
1 : Write data to timer latch only
Timer A count source selection bits
0 0 : f(XIN)
0 1 : f(XIN)/2
1 0 : f(XIN)/4
1 1 : f(XIN)/8
Timer A output active edge switch bit
0 : Output starts with “L” level
1 : Output starts with “H” level
Timer A count stop bit
0 : Count operating
1 : Count stop
Timer A output selection bit (P50)
0 : I/O port
1 : Timer A output
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相關(guān)代理商/技術(shù)參數(shù) |
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| M38D20F2XXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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