参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 37/158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-Power Management Functions
The gpio block includes an internal programmable PWM generator (can be connected to any of the GPIO1_CURR1 …
GPIO4_CURR4 outputs). Its timing is defined by the following tables:
Table 29. PWM Frequency Control High Time Registers
Addr: 56
PWM Frequency Control High Time Registers
This register controls the PWM high time
Bit
Bit Name
Default Access
Description
This bit defines the high time of the pwm generator in
2/fclk_int units
0
pwm_div * 2/ fclk_int
7:0
pwm_h_time
00h
R/W
1
pwm_div * 4/ fclk_int
Table 30. PWM Frequency Control Low Time Registers
2
....
FFh
pwm_div * 6/ fclk_int
pwm_div * 512/ fclk_int
Addr: 57
PWM Frequency Control Low Time Registers
This register controls the PWM Low time
Bit
Bit Name
Default Access
Description
This bit defines the high time of the pwm generator in
2/fclk_int units
0
pwm_div * 2/ fclk_int
7:0
pwm_l_time
00h
R/W
1
pwm_div * 4/ fclk_int
Table 31. PWM Divider Registers bits
2
....
FFh
pwm_div * 6/ fclk_int
pwm_div * 512/ fclk_int
Addr: 58
CURR control
This register controls the PWM divider
Bit
Bit Name
Default Access
Description
This bit defines the divider ratio of the prescaler for the
PWM generator
00
Divide by 1
7:6
pwm_div
00h
R/W
01
Divide by 2
10
11
Divide by 4
Divide by 16
All Step Down DCDC converters and several LDOs can be directly on/off controlled by CURR3_GPIO3 or
CURR4_GPIO4. The CURR3_GPIO3 and/or CURR4_GPIO4 pin should be set to digital input mode (GPIO3Mode =
010b, GPIO4Mode = 010b) and the following register should be set accordingly:
www.austriamicrosystems.com
Revision 1v13
36 - 157
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