参数资料
型号: QT60248-ASG
厂商: Atmel
文件页数: 9/28页
文件大小: 0K
描述: IC SENSOR QMATRIX 24CHAN 32TQFP
标准包装: 250
系列: QMatrix™, QProx™
类型: 电容性
输入数/键: 24
分辨率(位): 9,11 b
评估套件: 可供
数据接口: 串行,SPI?
电源电压: 3 V ~ 5 V
电流 - 电源: 25mA
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 32-TQFP
供应商设备封装: 32-TQFP(7x7)
包装: 托盘
产品目录页面: 2822 (CN2011-ZH PDF)
配用: 427-1087-ND - BOARD EVAL QT60248-AS QMATRIX
其它名称: 427-1108
14
Used in Run mode. Normal sensing of other keys not affected.
CAL of ‘k’ only takes place in the key’s normal timeslot.
Returns the ones compliment of the cmd char, once the cal is
scheduled.
-
~0xCk
1
2
Force calibration of key # k where k= 0..23.
Command must be repeated 2x consecutively
without any intervening command in 100ms to
execute
CAL key ‘k’
0xCk
14
Bits 7..5: reserved
Bit 4: 1= key is enabled
Bit 3: 1= key is in detect
Bit 2: 1= (Ref < LSL), even on a disabled key
Bit 1: 1= key is in calibration
Bit 0: 1= calibration of this key failed 5 times
Second return byte is CRC of cmmd + return data
Yes
0..0xFF
2
1
Get status byte for key ‘k’ {0..23}
Status for key ‘k’
0x8k
14
Diagnostic use only, not to be relied upon (no CRC). Signal and
ref are Tx as 2 bytes, LSB first.
-
0..0xFF
Each byte
5
1
Get signal, ref, Norm DI for key k {0..23}
Signal: 2 bytes; Ref: 2 bytes; Norm DI: 1
byte
Data for 1 key
0x4k
13
Returns 1’s compliment of last command even if bad. Resets the
communications error flag.
-
0..0xFF
1
Returns last command received
Return last
cmmd
0x0F
13
CRC-8 only on Setups array section of eeprom
This CRC is the same as the CRC at the end of Setups block load.
Yes
0..0xFF
1
Get eeprom CRC
Eeprom CRC
0x0E
13
100 block data bytes + 1 CRC byte returned.
Yes
0..0xFF
Each byte
100
1
Returns Setups block area followed by CRC.
Scanning is halted and then auto-restarted
after the cmd has completed.
Dump Setups
0x0D
Page
Notes
CRC
Rtn range
# Rtnd
#/Cmd
Description
Name
Hex
lQ
17
QT60248-AS R4.02/0405
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