参数资料
型号: AT42QT1111-AU
厂商: ATMEL CORP
元件分类: 速度传感器和接近开关
英文描述: PROXIMITY SENSOR-CAPACITIVE, 0-5V, SQUARE, SURFACE MOUNT
封装: 7 X 7 MM, 1 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MS-026ABA, TQFP-32
文件页数: 33/50页
文件大小: 637K
代理商: AT42QT1111-AU
39
9571B–AT42–08/10
AT42QT1111-MU/AT42QT1111-AU
8.5
SPI Bus Specifications
8.5.1
General Specifications
8.5.2
Full SPI Mode
8.5.3
Quick SPI Mode
Parameter
Specification
Address space
8-bit
Maximum clock rate
750 KHz
Minimum low clock period
666 ns
Minimum high clock period
666 ns
Clock idle
High
Setup on
Leading (falling) edge
Clock out on
Trailing (rising) edge
SPI Enable delay (SS low to SCK low)
1 s minimum
Parameter
Specification
Minimum time between bytes
300 s
Minimum time between communications
Generally 300 s; longer delays required to implement some commands, as follows:
Send Setups: 300 s after all setup bytes are returned
Calibrate All: 300 s
Calibrate Key: 300 s
Reset: 320 ms
Sleep: 300 s after a low signal is applied to SS or CHANGE to wake the device
Store to EEPROM: 200 ms
Restore from EEPROM: 150 ms
Erase EEPROM: 50 ms
Recover EEPROM: 50 ms
Parameter
Specification
Minimum time between bytes
100 s
Minimum time between communications
Generally 100 s, except for the following:
Store to EEPROM: 200 ms
Switch to Full SPI: 300 s
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