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参数资料
| 型号： | MAX1233-MAX1234 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| 中文描述： | 【15kV ESD保护触摸屏控制器包括DAC和键盘控制器 |
| 文件页数： | 24/44页 |
| 文件大小： | 706K |
| 代理商： | MAX1233-MAX1234 |
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M
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
24
______________________________________________________________________________________
KEYSTS1
KEYSTS0
READ FUNCTION
WRITE FUNCTION
0
0
No button press detected;
scan or debounce in progress
Scans keypad once and waits to detect a button press. Upon
detection, issues an interrupt and waits for the host
’
s instruction
before scanning.
1
0
Button press detected;
scan or debounce in progress
Stops any ongoing scan and waits to detect a button press. Upon
detection, issues an interrupt and scans the keypad.
0
1
No button press detected;
data available
Stops any ongoing scan and waits to detect a button press. Upon
detection, issues an interrupt and waits for the host
’
s instruction
before scanning.
1
1
Button press detected;
data available
Stops any ongoing scan and powers down the button press
detection circuit. No button presses are detected in this mode.
Table 19. KEYSTS1/KEYSTS0 Functions
DBN2
0
0
0
0
1
1
1
1
DBN1
0
0
1
1
0
0
1
1
DBN0
0
1
0
1
0
1
0
1
FUNCTION (ms)
Debounce time: 2
Debounce time: 10
Debounce time: 20
Debounce time: 50
Debounce time: 60
Debounce time: 80
Debounce time: 100
Debounce time: 120
Table 20. Keypad Debounce Time Control
BIT
NAME
KEYSTS1
KEYSTS0
DBN2
DBN1
DBN0
HLD2
HLD1
HLD0
0
DESCRIPTION
15 (MSB)
14
13
12
11
10
9
8
[7:0]
Read: keypad interrupt status; Write: set interrupt initiated keypad scans
Read: keypad scan status; Write: stop keypad scan
Keypad debounce time control
Keypad debounce time control
Keypad debounce time control
Keypad hold time control
Keypad hold time control
Keypad hold time control
Reserved
Table 18. Keypad Control Register Description
BIT15
KEYSTS1
BIT14
KEYSTS0
BIT13
DBN2
BIT12
DBN1
BIT11
DBN0
BIT10
HLD2
BIT9
HLD
BIT8
HLD
BIT7
0
BIT6
0
BIT5
0
BIT4
0
BIT3
0
BIT2
0
BIT1
0
BIT0
0
Table 17. Keypad Control Register
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1233 | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| MAX1233EGI | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| MAX1234EGI | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| MAX1239 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1239LEEE | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1234EGI | 功能描述:触摸屏转换器和控制器 RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| MAX1234EGI+ | 制造商:Maxim Integrated Products 功能描述:TOUCH SCREEN CONTROLLER 28-PIN QFN EP - Rail/Tube |
| MAX1234EGI-T | 功能描述:触摸屏转换器和控制器 RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| MAX1234ETI+ | 功能描述:触摸屏转换器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| MAX1234ETI+T | 功能描述:触摸屏转换器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
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