参数资料
型号: AT89C51SND2C-7FTUL
厂商: Atmel
文件页数: 22/160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
DS785UM1
5-25
Copyright 2007 Cirrus Logic
System Controller
EP93xx User’s Guide
5
DeviceCfg
Address:
0x8093_0080 - Read/Write, Software locked
Default:
0x0000_0000
Definition:
Device Configuration Register. This register controls the operation of major
system functions.
Bit Descriptions:
RSVD:
Reserved. Unknown During Read.
0:
This bit must be written as “0”.
SHena:
Standby/Halt enable. When 1, allows the system to enter
Standby or Halt on a read from the Standby and Halt
registers, respectively.
KEYS:
Key matrix inactive.
1 - Key Matrix controller inactive,
0 - Key Matrix controller active.
ADCPD:
ADC Power Down.
1 - ADC and clocks are powered down.
0 - ADC and clocks are active. ADCPD must be zero for
normal touch screen operation and for direct ADC
operation.
RAS:
Raster inactive.
1 - Disables video pixel clock to most of the Raster engine,
0 - Normal video clock to Raster engine.
RasOnP3:
Raster On SDRAM Port 3.
1 - The Raster video refresh SDRAM accesses use the
system primary AHB to get video data.
0 - Raster video refresh uses the private AHB on SDRAM
Port 0.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
SWRST
D1onG
D0onG
IonU2
GonK
TonG
MonG
U3EN
CPENA
A2onG
A1onG
U2EN
EXVC
U1EN
TIN
RSVD
15
14
13
12
11
10
987
6
543210
HC3IN
HC3EN
HC1IN
HC1EN
HonIDE
GonIDE
PonG
EonIDE
I2Son
SSP
I2Son
AC97
0RASOn
P3
RAS
ADCPD
KEYS
SHena
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