参数资料
型号: AT89C51SND2C-7FTUL
厂商: Atmel
文件页数: 23/160页
文件大小: 0K
描述: IC 8051 MCU FLASH 64K MP3 100BGA
标准包装: 260
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: I²C,IDE/ATAPI,MMC,SPI,UART/USART,USB
外围设备: 音频,I²S,MP3,PCM,POR,WDT
输入/输出数: 32
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 2.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.3 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 100-TFBGA
包装: 托盘
其它名称: AT89C51SND2C7FTUL
5-26
DS785UM1
Copyright 2007 Cirrus Logic
System Controller
EP93xx User’s Guide
5
I2SonAC97:
Audio - I2S on AC97 pins. The I2S block uses the AC97
pins. See Audio Interface pin assignments in Table 5-7.
Note: The I2S should be enabled on only one set of pins. Therefore I2SonAc97 and I2SonSSP
are mutually exclusive. Setting both I2SonAc97 and I2SonSSP will cause unexpected
behavior.
I2SonSSP:
Audio - I2S on SSP pins. The I2S block uses the SSP pins.
MCLK is not available in this pin option. See Audio
Interface pin assignments in Table 5-7.
Note: The I2S should be enabled on only one set of pins. Therefore I2SonAc97 and I2SonSSP
are mutually exclusive. Setting both I2SonAc97 and I2SonSSP will cause unexpected
behavior.
EonIDE:
GPIO Port E on IDE pins:
0 - GPIO Port E used for IDE
1 - GPIO Port E used for GPIO
PonG:
PWM 1 output on EGPIO pin
GonIDE:
GPIO Port G on IDE pins
0 - GPIO Port G used for IDE
1 - GPIO Port G used for GPIO
HonIDE:
GPIO Port H on IDE pins
Table 5-7. Audio Interfaces Pin Assignment
Pin
Name
Normal Mode
I2S on SSP
Mode
I2S on AC'97
Mode
Pin
Description
Pin Description
SCLK1
SPI Bit Clock
I2S Serial Clock
SPI Bit Clock
SFRM1
SPI Frame Clock
I2S Frame Clock
SPI Frame Clock
SSPRX1
SPI Serial Input
I2S Serial Input
SPI Serial Input
SSPTX1
SPI Serial Output
I2S Serial Output
SPI Serial Output
(No I2S Master
Clock)
ARSTn
AC'97 Reset
I2S Master Clock
ABITCLK
AC'97 Bit Clock
I2S Serial Clock
ASYNC
AC'97 Frame
Clock
AC'97 Frame Clock
I2S Frame Clock
ASDI
AC'97 Serial
Input
AC'97 Serial Input
I2S Serial Input
ASDO
AC'97 Serial
Output
AC'97 Serial Output
I2S Serial Output
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