Figure 6. Normal Mode 2 7.4.3 Standby Mode1 (SBM1) The low-" />
參數(shù)資料
型號: AS8510-ASST
廠商: ams
文件頁數(shù): 14/47頁
文件大小: 0K
描述: IC BATTERY MANAGEMENT 20-SSOP
產(chǎn)品培訓模塊: AS8510 Data Acquisition IC
標準包裝: 2,000
類型: 電池管理
輸入類型: 模擬,數(shù)字
輸出類型: 模擬,數(shù)字
接口: SPI 串行
電流 - 電源: 5mA
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
供應商設(shè)備封裝: 20-SSOP
包裝: 帶卷 (TR)
Revision 3.5
20 - 46
AS8510
Datasheet - Detailed Descr i p ti on
Figure 6. Normal Mode 2
7.4.3 Standby Mode1 (SBM1)
The low-power Standby Mode can be entered only through the STOP state. Transition to SBM1 mode occurs when the “START BIT” D0 of Mode
Control register MOD_CTL_REG in Table 33 is set to “1” and Mode Control Bits to “10” through SPI. In this mode the date rate is programmable
with the time of Ta. An interrupt signal is generated on INT at the rate of Ta secs., and with a pulse width of eight cycles of lp_clk. The data is
stable up to the next interrupt. The functionality is illustrated in Figure. During the period of Ta, only one data sample is made available and,
during the rest of the period, the device is maintained in STOP state to reduce power consumption. The microcontroller which receives the data
on the Interrupt, is also expected to be processing the data for a short time as shown clearly in the Figure 7 to ensure the overall low-power
consumption of the data acquisition and processing system.
Figure 7. Standby Mode 1
IDD
t
TMC
Sampling with f
ITHS
I
V,I,T
I > ITHS
V,I,T
I < I THS
INT
T INT
MCU
ADC
t
T
Start SBM1
Ta
sec.
Ta sec.
Ta
sec.
I DD
V, I, T
T
V, I, T
MCU
conv
MCU
INT
Channel
DATA Register
DATA – A1
DATA – A0
DATA – A2
DATA – A3
TINT
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