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参数资料
| 型号： | KITMPL115A1SPI |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION FOR PL115A1SP1 |
| 标准包装： | 1 |
| 传感器类型： | 压力 |
| 传感范围： | 50 ~ 115 kPa |
| 接口： | SPI |
| 电源电压： | 2.375 V ~ 5.5 V |
| 嵌入式： | 否 |
| 已供物品： | 板 |
| 已用 IC / 零件： | PL115A1SP1 |
| 产品目录页面： | 2808 (CN2011-ZH PDF) |
SPI Read operations are performed by sending the required address with a leading Read bit set to ‘1’. SPI operations require
that each byte be addressed individually. All data is transmitted most significant bit first.
Table 5. Example SPI Read Commands
Command
Read Pressure MSB
Read Pressure LSB
Read Temperature MSB
Read Temperature LSB
Read Coefficient data byte 1
Binary
1000000X
1000001X
1000010X
1000011X
1000100X
HEX (1)
0x80
0x82
0x84
0x86
0x88
X = don’t care
1. The command byte needs to be paired with a 0x00 as part of the SPI exchange to complete the passing of stated
command.
3.5
SPI Timing
Table 6. SPI Timing
Ref
1
2
3
4
5
6
7
8
9
10
Function
Operating Frequency
SCLK Period
SCLK High time
SCLK Low time
Enable lead time
Enable lag time
Data setup time
Data hold time
Data valid (after SCLK low edge)
Width CS High
Symbol
O f
tSCLK
tCLKH
tCLKL
tSCS
tHCS
tSET
tHOLD
tDDLY
tWCS
Min
—
125
62.5
62.5
125
125
30
30
—
30
Max
8
—
—
—
—
—
—
—
32
—
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
CS
SCLK
DIN
DOUT
Figure 3. SPI Timing Diagram
MPL115A1
Sensors
8
Freescale Semiconductor, Inc.
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