SX8661I07AULTRT Semtech, SX8661I07AULTRT Datasheet - Page 61

• Manufacturer Part Number: SX8661I07AULTRT
• Description: IC, Capacitive Button Touch And Proximity Controller, 8 SENSOR, MLPQ-28
• Manufacturer: Semtech

Specifications of SX8661I07AULTRT

• Controller Type: Capacitive Touch Screen
• Ic Interface Type: I2C
• Supply Voltage Range: 2.7V To 3.6V
• Operating Temperature Range: -40°C To +85°C

ADVANCED COMMUNICATIONS & SENSING
5.7 Buzzer Parameters
Revision v3.2, January 2011
Buzzer
Address
0x37
0x38
0x39
0x3A
The buzzer parameters are described in section 3.7.
Parameters
Name
BuzzerCfg
BuzzerFreqPhase1
BuzzerFreqPhase2
Reserved
Bits
7:6
5:4
3
2:0
7:0
7:0
7:0
Low Power, Capacitive Button Touch and Proximity Controller
Table 23
Description
Defines the phase 1 duration.
0x00: ~ 5ms
0x01: ~ 10ms
0x02: ~ 15ms (default)
0x03: ~ 30ms
Defines the phase 2 duration.
0x00: ~ 5ms
0x01: ~ 10ms
0x02: ~ 15ms (default)
0x03: ~ 30ms
Defines the buzzer idle level (BuzzerLevelIdle).
0x0: min level (0V), (default)
0x1: max level (VDD)
Defines the buzzer pwm prescaler value.
Default: 0x04
Defines the frequency for the first phase of the buzzer.
freq ≈ 4MHz /(2^prescaler * BuzzerFreqPhase1)
Default: 0x40 (4KHz)
Defines the frequency for the second phase of the buzzer.
freq ≈ 4MHz /(2^prescaler * BuzzerFreqPhase2)
Default: 0x20 (8KHz)
Reserved (0x00)
© 2011 Semtech Corp.
Buzzer Parameters
61
(8 sensors) with LED Drivers and Analog Output
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