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参数资料
| 型号： | SPEAR-09-P022 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 1 CHANNEL(S), 1000M bps, I2C BUS CONTROLLER, PBGA420 |
| 封装： | 23 X 23 MM, 1.81 MM HEIGHT, ROHS COMPLIANT, PLASTIC, BGA-420 |
| 文件页数： | 26/40页 |
| 文件大小： | 328K |
| 代理商： | SPEAR-09-P022 |
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Main blocks
SPEAR-09-P022
4.9.4
ADC controller
●
Successive approximation ADC
●
10-bit resolution
●
Up to 1 Msps
●
analog input (AIN) channels, ranging from 0 to 2.5 V
●
INL ± 1 LSB, DNL ± 1 LSB
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Programmable conversion speed, (min conversion time is 1 s)
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Programmable average results from 1 (No average) up to 128
4.10
Other interfaces
4.10.1
UART
Two UART are provided with the following features:
●
Separate 16x8 (16 location deep x 8-bit wide) transmit and 16x12 receive FIFOs to
reduce CPU interrupts
●
Speed up to 560.8 Kbps
4.10.2
SPI
Three SPI are provided. The main features are:
●
Max speed of 40 Mbps
●
Programmable choice of interface operation SPI, Microwire or TI synchronous serial
●
Programmable data frame size from 4 to 16-bit
●
The SPI controllers can deal with Master and slave mode
●
A connection with general purpose DMA is provided to reduce the CPU load
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