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参数资料
| 型号： | SPEAR300-2 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 333 MHz, RISC MICROCONTROLLER, PBGA289 |
| 封装： | 15 X 15 MM, 1.70 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, LFBGA-289 |
| 文件页数： | 14/83页 |
| 文件大小： | 1027K |
| 代理商： | SPEAR300-2 |
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SPEAr300
Architecture overview
Doc ID 16324 Rev 2
21/83
2.18
I2S interface
The I2S interface is very similar to the TDM block, but the frame sync is limited to Philips I2S
definition. It is composed of 4 signals:
●
I2S_LRCK; Left and right channels synchronization (Master/slave)
●
I2S_CLK: I2S clock (Master/slave)
●
I2S_DIN: I2S clock (Master/slave)
●
I2S DOUT: I2S output (tri-state)
The DOUT line can be high impedance when out of samples. Data is always stored in 32 bit
format in the buffer. A shift left operation is possible to left align the data.
Main features:
●
Can be master or slave for the clock and sync signals
●
Buffering of up to 1024 samples (512 left and 512 right samples representing 64 ms of
voice). Data is stored always on 32 bits.
●
Left and right channels are stored in two different buffers.
●
Two banks are used to exchange data with the processor.
●
In master mode, LRCK can be adjusted for 8, 16 or 32 bits width.
●
Data width can be less than LRCK width. Input (received on I2S_DIN) and output
(transmitted on DOUT) can be 8, 16 or 32 bits.
2.19
GPIOs
The General Purpose Input/Outputs (GPIOs) provide programmable inputs or outputs.
Main features:
●
Individually programmable input/output pins implemented in 3 blocks:
–
Up to 6 base GPIOs in the basic subsystem (basGPIO)
–
Up to 18 GPIOs in the RAS subsystem (G10 and G8)
–
Up to 18 GPIOs in the keyboard controller
–
Up to 8 GPIOs in the independent GPIO block (GPIO[7:0])
●
Programmable interrupt generation capability up to 22 pins.
●
Base GPIOs and independent GPIOs support bit masking in both read and write
operation through address lines.
Up to 62 general purpose I/Os are available in Mode 4 (LEND_IP_ph) (see Table 10).
●
In this mode the application can use:
–
10 GPIOs in G10 block
–
8 GPIOs in G8 block (0 to 3 in output mode only)
–
18 GPIO (keyboard controller I/Os in GPIO mode)
–
6 base GPIOs (basGPIO) (enabled as alternate functions (see Table 11)
–
8 IT pins (input only, with interrupt capability)
–
4 SYNC outputs (SYNC4-7)
–
8 SPI_I2C outputs
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPEAR310-2 | 功能描述:微处理器 - MPU MPU ARM926 Cortex 8-ch DMA 32KB Rom RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| SPEAR320 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Embedded MPU with ARM926 core, optimized for factory automation and consumer applications |
| SPEAR320-2 | 功能描述:微处理器 - MPU MPU ARM926 Cortex 8-ch DMA 32KB Rom RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| SPEAR320S-2 | 制造商:STMicroelectronics 功能描述:SPEAR 32BIT EMBEDDED MICROPROCESSOR ARM926EJ-S (UP TO 333 M - Bulk 制造商:STMicroelectronics 功能描述:SPEAR320 Series 333 MHz 8 kB RAM ARM926 Core Embedded Microprocessor - LFBGA-289 |
| SPEAR600-2 | 功能描述:微处理器 - MPU MPU ARM926 Cortex 8-ch DMA 32KB Rom RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
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