参数资料
型号: YSS932
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封装: SQFP-128
文件页数: 5/24页
文件大小: 335K
代理商: YSS932
YSS932
13
3) Sub DSP Block
3-1) Serial data input / output
l SDIB0-3
These are PCM input pins to the Sub DSP block.
The data input to SDIB0-2 pins or the SDOA0-2 output from the Main DSP block are selected at SDIBSEL
and processed in the Sub DSP block. The input data to the SDIB3 pin is always processed in the Sub DSP
block regardless of SDIBSEL.
Refer to "Block Diagram".
The input format can be selected by setting the SDIB register.
For the format, refer to "Serial Data Interface Format".
l SDOB0-3
These are the output pins for the PCM signals processed in the Sub DSP block.
The output format can be selected by setting the SDOB register.
For the format, refer to "Serial Data Interface Format".
3-2) External memory interface
l RAMA0-17, RAMD0-15, RAMWEN, RAMOEN, CASN, RASN
These pins are used to connect an external memory to the Sub DSP block for the data delay.
3-3) Status output
l OVFB/END
The output varies depending on OVFSEL settings of ERAM register bit 7.
This output is used when programming Sub DSP.
OVFB at OVFSEL=0
This pin becomes "H" level when a digital overflow occurs as a result of operation in the Sub DSP block.
"H" level is kept from the moment an overflow occurs to the moment the next PCM sample is output from
the SDOB interface. When the next PCM sample output starts, the pin is reset to "L" level.
END at OVFSEL=1
This pin becomes "H" level while the program counter of Sub DSP is operating, and "L" level when all the
processing is completed and the program counter stops. While operating correctly, it becomes "L" level
once during one sample time. If it fails to become "L" level even once during one sample time, it means
that the program has not been completed correctly and fully.
相关PDF资料
PDF描述
YSS943-VZ SPECIALTY CONSUMER CIRCUIT, PQFP144
YSS944-VZ SPECIALTY CONSUMER CIRCUIT, PQFP144
YSS940-VZ SPECIALTY CONSUMER CIRCUIT, PQFP144
YSS950-SZ 0-BIT, 12.5 MHz, OTHER DSP, CQFP64
YSS951-VZ SPECIALTY CONSUMER CIRCUIT, PQFP48
相关代理商/技术参数
参数描述
YSS940 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:ADAMB Advanced Digital Audio Multi channel decode processor
YSS943 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:ADAMB Advanced Digital Audio Multi channel decode processor
YSS944 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:ADAMB Advanced Digital Audio Multi channel decode processor
YSS950 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:DAP1 Digital Audio Processor
YST 35-22 P24 C3 制造商:n/a 功能描述:Thyristor Puck