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參數(shù)資料
| 型號： | TMP86PS27FG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Zener Diode; Application: General; Pd (mW): 500; Vz (V): 6.6 to 6.9; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35 |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 108/206頁 |
| 文件大?。?/td> | 1415K |
| 代理商： | TMP86PS27FG |
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Page 98
8. 10-Bit Timer/Counter (TC7)
8.4 Features
TMP86PS27FG
Figure 8-19 Noise Canceller Operation
When NCRSEL = 00, a TC7 input level after passing through the F/F is always canceled if its duration
is 16/fc [s] or less and always assumed as a signal if its duration is 20/fc [s] or greater. After the input
signal supplied on the TC7 pin passes through the F/F, there is a delay between 21/fc [s] and 24/fc [s]
before the PPG outputs vary.
When NCRSEL = 01, a TC7 input level after passing through the F/F is always canceled if its duration
is 8/fc [s] or less and always assumed as a signal if its duration is 10/fc [s] or greater. After the input
signal supplied on the TC7 pin passes through the F/F, there is a delay between 13/fc [s] and 14/fc [s]
before the PPG outputs vary.
When NCRSEL = 10, a TC7 input level after passing through the F/F is always canceled if its duration
is 4/fc [s] or less and always assumed as a signal if its duration is 5/fc [s] or greater. After the input sig-
nal supplied on the TC7 pin passes through the F/F, there is a delay of 5/fc [s] before the PPG outputs
vary.
When NCRSEL = 11, a pulse shorter than 1/fc may be assumed as a signal or canceled as noise in the
first-stage F/F. Ensure that input signal pulses are longer than 1/fc. After the input signal supplied on
the TC7 pin passes through the F/F, there is a delay of 4/fc [s] before the PPG outputs vary.
Table 8-1 Noise Canceller Settings
NCRSEL
Sampling Frequency
(Number of Samplings)
Pulse Width Always Assumed as Noise
Pulse Width Always Assumed as Signal
At 8 MHz
At 16 MHz
At 8 MHz
At 16 MHz
00
fc/4 (5)
16/fc [s]
2 [ms]
1 [ms]
20/fc [s]
2.5 [ms]
1.25 [ms]
01
fc/2 (5)
8/fc [s]
1 [ms]
500 [ns]
10/fc [s]
1.25 [ms]
0.625 [ms]
10
fc (5)
4/fc [s]
0.5 [ms]
250 [ns]
5/fc [s]
0.625 [ms]
0.3125 [ms]
11
(None)
None
–
–
(1/fc)
fc
fc/2
After
noise
elimination
fc/4
When NCRSEL = 00
When NCRSEL = 01
When NCRSEL = 10
Pulses of 5/fc or longer are assumed as a signal.
Pulses of 10/fc or longer are assumed as a signal.
Pulses of 20/fc
or longer are assumed
as a signal.
Pulses of 4/fc or shorter are canceled.
Pulses of 8/fc or shorter are canceled.
Pulses of 16/fc or shorter are canceled.
TC7 pin input
(after passing
through F/F)
1 2 3 4 5
1 2 3 4 5
1 2 3 4 1 2 3 4
5
1 2 3 4 5
1 2 3 4 5
B
A Z
S
A
B Z
C
Noise canceller
Edge detection
PPG output control
circuit
F/F
TC7 input
fc
PPG output
Sampling
clock
fc
fc/2
fc/4
NCRSEL
NCRSEL = 11
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PDF描述 |
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| TMP86PS43F | CMOS 8-Bit MICOROcontroller |
| TMP86PS44UG | Zener Diode; Application: General; Pd (mW): 500; Vz (V): 6.7 to 7.0; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35 |
| TMP86PS64FG | Zener Diode; Application: General; Pd (mW): 500; Vz (V): 6.9 to 7.2; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35 |
| TMP87C409BMG | Zener Diode; Application: General; Pd (mW): 500; Vz (V): 7.0 to 7.3; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35 |
| TMP87C409BNG | Zener Diode; Application: General; Pd (mW): 500; Vz (V): 7.2 to 7.6; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMP86PS27FG(JZ) | 制造商:Toshiba America Electronic Components 功能描述:N/A - Bulk |
| TMP86PS43F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:CMOS 8-Bit MICOROcontroller |
| TMP86PS44UG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:8 Bit Microcontroller |
| TMP86PS64F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:CMOS 8-BIT MICROCONTROLLER |
| TMP86PS64FG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:8 Bit Microcontroller |
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