参数资料
型号: AT89C51SND2C-7FTUL
厂商: Atmel
文件页数: 159/160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
8
4341H–MP3–10/07
AT8xC51SND2C/MP3B
Table 4-7.
UART Signal Description
Table 4-8.
SPI Controller Signal Description
Table 4-9.
TWI Controller Signal Description
Table 4-10.
Keypad Interface Signal Description
Signal
Name
Type
Description
Alternate
Function
RXD
I/O
Receive Serial Data
RXD sends and receives data in serial I/O mode 0 and receives data in serial
I/O modes 1, 2 and 3.
P3.0
TXD
O
Transmit Serial Data
TXD outputs the shift clock in serial I/O mode 0 and transmits data in serial I/O
modes 1, 2 and 3.
P3.1
Signal
Name
Type
Description
Alternate
Function
MISO
I/O
SPI Master Input Slave Output Data Line
When in master mode, MISO receives data from the slave peripheral. When in
slave mode, MISO outputs data to the master controller.
P4.0
MOSI
I/O
SPI Master Output Slave Input Data Line
When in master mode, MOSI outputs data to the slave peripheral. When in
slave mode, MOSI receives data from the master controller.
P4.1
SCK
I/O
SPI Clock Line
When in master mode, SCK outputs clock to the slave peripheral. When in
slave mode, SCK receives clock from the master controller.
P4.2
SS
I
SPI Slave Select Line
When in controlled slave mode, SS enables the slave mode.
P4.3
Signal
Name
Type
Description
Alternate
Function
SCL
I/O
TWI Serial Clock
When TWI controller is in master mode, SCL outputs the serial clock to the
slave peripherals. When TWI controller is in slave mode, SCL receives clock
from the master controller.
-
SDA
I/O
TWI Serial Data
SDA is the bidirectional Two Wire data line.
-
Signal
Name
Type
Description
Alternate
Function
KIN0
I
Keypad Input Line
Holding this pin high or low for 24 oscillator periods triggers a keypad interrupt.
-
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