参数资料
型号: MC34708VM
厂商: Freescale Semiconductor
文件页数: 94/159页
文件大小: 0K
描述: IC POWER MANAGEMENT 206MAPBGA
标准包装: 160
应用: 通用
电源电压: 1.8 V ~ 4.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 206-LFBGA
供应商设备封装: 206-MAPBGA(13x13)
包装: 托盘
Functional Block Description
Table 92. Timing Delays for PSTI Circuit
Characteristics noted under conditions BP = 3.6 V, V BUS = 5.0 V, - 40 ? C ? T A ? 85 ? C, unless otherwise noted. Typical values
at BP = 3.6 V and T A = 25 °C under nominal conditions, unless otherwise noted.
Symbol
Characteristic
Min
Typ
Max
Unit
Notes
Switching Delay
t D
t1 - t0 (t D in Default Value is TD = 0100)
ms
? TD = 0000
? TD = 0001
? TD = 0010
? TD = 0011
? TD = 0100
? ...
? TD = 1111
-
-
-
-
-
...
-
100
200
300
400
500
...
1600
-
-
-
-
-
...
-
t SW
t SW
t SW
t SW
t2 - t1
t3 - t2
t4 - t1
t6 - t3
20
20
100
100
-
-
-
-
-
-
-
-
ms
ms
ms
ms
The MC34708 contains registers which hold control and status information. The register map and the description of each register
can be found in the SPI/I2C Register Map section. The details of some important control bits are described as follows.
7.8.4.6
7.8.4.6.1
Control Functions
Timing of the Switching Action (WAIT BIT)
If the WAIT bit is '1' when the Attach interrupt bit is set, the MC34708 waits for a WAIT time before turning on the switches. The
WAIT time is programmed by the Switching Wait bits in the Timing Set 2 register. If the WAIT bit is '0' when the Attach interrupt
is generated, then the MC34708 will not turn on the switches until the WAIT bit is set to '1' by the SPI. Both cases are shown in
MC34708
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
94
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