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参数资料
| 型号： | M34519E8FP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO42 |
| 封装： | 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42 |
| 文件页数： | 17/50页 |
| 文件大小： | 1808K |
| 代理商： | M34519E8FP |
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24
9571B–AT42–08/10
AT42QT1111-MU/AT42QT1111-AU
5.10
Calibrate Key (0x1k)
This command recalibrates the key specified by “k”. For example, to calibrate key 4, the host
sends “0x14”; to calibrate key 10, the host sends “0x1A”.
The host must wait for at least 300 s for the operation to be completed before communications
can be re-established.
6.
Report Requests
6.1
Introduction
The host can request reports from the QT1111, as summarized in Table 6-1.
Note that SPI communications are full-duplex, so the host must transmit on the MOSI pin to
keep the communications active, while reading data from the QT1111 on the MOSI pin. Failure
to do this within 100 ms will cause the device to assume that the exchange has been abandoned
and reset the SPI interface. The host should therefore send one or two “NULL” bytes, as
appropriate, on the MOSI line as it receives the 1- or 2-byte report data from the device.
6.2
First Key (0xC0)
This command returns 1-byte report in the format shown in Table 6-2.
DETECT: 0 = no key in detect; 1 = there is a key in detect.
NUMKEY: indicates the number of keys in detect:
Table 6-1.
Report Requests
Command
Code
Note
Data Returned
Send First Key
0xC0
Returns the first detected key
1 byte
Send All keys
0xC1
Returns all keys
2-byte bitfield
Device Status
0xC2
Returns the device status
1-byte bitfield
EEPROM CRC
0xC3
Returns the EEPROM CRC
1 byte
RAM CRC
0xC4
Returns the RAM CRC
1 byte
Error Keys
0xC5
Returns the error keys
2-byte bitfield
Signal for Key “k”'
0x2k
Returns the signal for key “k”
2-byte number
Reference for Key “k”
0x4k
Returns the reference for key “k”
2-byte number
Status for Key “k”
0x8k
Returns error conditions/touch indication
1 byte
Detect Output States
0xC6
Returns the detect output states
1 byte
Last Command
0xC7
Returns the last command sent to QT1111
1 byte
Setups
0xC8
Returns the setup data
42 bytes
Device ID
0xC9
Returns the device ID
1 byte
Firmware Version
0xCA
Returns the firmware version
1 byte
Table 6-2.
Send First Key Report Format
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 0
DETECT
NUMKEY
ERROR
KEY_NUM
相关PDF资料 |
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| M34553M8H-XXXFP | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP48 |
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相关代理商/技术参数 |
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| M34519M6-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:4-BIT CISC SINGLE-CHIP MICROCOMPUTER 720 FAMILY / 4500 SERIES |
| M34519M8-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:4-BIT CISC SINGLE-CHIP MICROCOMPUTER 720 FAMILY / 4500 SERIES |
| M34-52 | 制造商:GAMEWELL-FCI 制造商全称:GAMEWELL-FCI 功能描述:Three-Fold Fire Alarm Boxes and Transmitters |
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