参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 148/158页
文件大小: 0K
描述: IC PMU POWER/AUDIO 124-CTBGA
标准包装: 2,500
应用: 便携式设备
电流 - 电源: 7mA
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 124-TFBGA
供应商设备封装: 124-CTBGA(8x8)
包装: 带卷 (TR)
AS3658
Data Sheet Confidential
- Detailed Description - System Functions
Table 184. Touchpannel Control Register Bits
Addr:113
Touchpad – control 2
This register controls the different modes of the Touchpad
Bit
Bit Name
Default
Access
Description
Internal Resistor used for Pen detection
00000
00001
00010
...
Do not use this Setting
4k Ω
8k Ω
4:0
tpen_pu
00000
R/W
00100
...
16k Ω
01000
...
10000
...
11111
32k Ω
64k Ω (most sensitive)
~ 2k Ω
Current used for pressure measurement
5
tpen_currpress
0
R/W
0
200μA
1
0
400μA
Do not wait until tpen_xmsb is readout
6
7
tpen_wait
tpen_soc_pd
0
0
R/W
R/W
1
0
1
Start next ADC – conversion after data is
read from Register tpen_xmsb
Start conversion only if tpen_st_pen is 1
and tpen_soc=1 and tpen_on=1
Measure regardless of pen Status (only if
tpen_soc=1 and tpen_on=1)
Table 185. Touchpannel Control Register Bits
Addr:114
Touchpad – control 3
This register controls the different modes of the Touchpad
Bit
Bit Name
Default
Access
Description
Sample Time of ADC
0
3μs
0:1
tpen_sample
00
R/W
1
10μs
2
3
50μs
200μs
2
tpen_debounce
0
R/W
0
1
Pen-down Debounce Time 100μs
Pen-down Debounce Time = 3ms
Enables Timeout Signal (ADC conversion is
stopped during tiemeout = 1)
3
tpen_timeout _en
0
R/W
0
off
1
GPIO3_CURR3 can be configured as input
for the timeout signal – see block diagram
www.austriamicrosystems.com
Revision 1v13
147 - 157
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