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參數(shù)資料
| 型號(hào)： | M34519M6-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO42 |
| 封裝： | 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42 |
| 文件頁(yè)數(shù)： | 22/50頁(yè) |
| 文件大?。?/td> | 1808K |
| 代理商： | M34519M6-XXXFP |
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29
9571B–AT42–08/10
AT42QT1111-MU/AT42QT1111-AU
7.2
Setting Individual Settings
To set up an individual setup value, the host sends the command listed under the “Set
Command” column in Table 7-1, followed by a byte of data.
For details of the communication flow, see Section4.1 on page10.
7.3
Setting All the Setups
The host can send all 42 bytes of setup data to the QT1111 as a block using the Send Setups
command. See Section 5.2 on page 22 for details.
7.4
Address 0: Device Mode
The Device Mode controls the overall operation of the device: number of keys, acquisition
method, timing and trigger mechanism.
KEY_AC: selects the trigger source to start key acquisition; 0 = SYNC pin, 1 = timed.
MODE: selects 7-key or 11-key mode; 0 = default 7-key mode, 1 = 11-key mode.
SIGNAL: selects serial or parallel acquisition of keys signals; 0 = serial, 1 = parallel.
SYNC: selects the trigger type when SYNC Pin is selected as the trigger to start key acquisition.
0 = Level
Acquisition starts when a “0” is read at the SYNC pin. If the pin is held
low, the QT1111 operates in “Free run” mode (that is, it will not sleep in
between acquisitions, but start again immediately).
1 = Edge
Acquisition starts when a rising edge is detected at the SYNC pin.
When acquisition and post-processing are completed, the device
sleeps until another rising edge is detected at the SYNC pin.
32
Key1 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB1
0xF1
33
Key2 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB2
0xF2
34
Key3 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB3
0xF3
35
Key4 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB4
0xF4
36
Key5 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB5
0xF5
37
Key6 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB6
0xF6
38
Key7 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB7
0xF7
39
Key8 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB8
0xF8
40
Key9 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xB9
0xF9
41
Key10 Negative Drift Compensation (NDRIFT)/Negative Recalibration Delay (NRD)
0xBA
0xFA
Table 7-1.
Memory Map (Continued)
Address
Function
Set Command
Get Command
Table 7-2.
Device Mode
Address
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
KEY_AC
MODE
SIGNAL
SYNC
REPEAT_TIME
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