參數(shù)資料
| 型號： | AS8002-AQFP |
| 廠商： | ams |
| 文件頁數(shù)： | 4/25頁 |
| 文件大小： | 0K |
| 描述： | IC CURRENT MEASURE SOLAR 16VQFN |
| 標準包裝： | 1 |
| 類型： | 電源管理 |
| 輸入類型： | 模擬 |
| 輸出類型： | 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： | 16-VQFN 裸露焊盤 |
| 供應商設備封裝： | 16-QFN（4x4） |
| 包裝： | 標準包裝 |
| 其它名稱： | AS8002-AQFPDKR |
www.austriamicrosystems.com/AS8002
Revision 1.1
11 - 24
AS8002
Data Sheet - D e t a i l e d D e s c r i p t i o n
Figure 5. Read Mode
The interface of the AS8002 corresponds to a 4-wire SPI where each data transfer is composed of 16 bits. Each 16-bit transfer of the SDI is
divided into a 7-bit address word indicating the target register, one R/W bit indicating the operation to be done and a 8-bit word data indicating
the data to be written.
The data transferred in SDO is also composed of 16 bits. These can be divided into the 8 MSBs which correspond to the 8 MSBs of the last
conversion run by the ADC plus 8 LSBs which clock out the data that has been requested by the SDI in that same cycle. This allows for a given
read register to be addressed and read in the same 16-bit transfer.
7.4 SPI Hardware Connection
Figure 6 shows a basic interconnection diagram of an AS8002 device with a host controller. Data transmission is enabled with signal SCSB (SS/
), the serial clock is applied at pin SCLK (SCK). Data is shifted into the AS8002 via signal SDI (MOSI) and read from the AS8002 via signal SDO
(MISO).
Figure 6. AS8002 and the Controller
65
0
1
2
3
4
65
0
1
2
3
4
7
65
0
1
2
3
4
addr[6:0]
read_meas_MSB[7:0]
R/W
data_addr[7:0]
SCSB
SCLK
SDI
SDO
MOSI
MISO
SCK
SS/
SDO
SDI
SCLK
SCSB
AS8002
UC
ams
AG
Technical
content
still
valid
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