參數(shù)資料
型號: AT89C51SND2C-7FTUL
廠商: Atmel
文件頁數(shù): 18/160頁
文件大?。?/td> 0K
描述: IC 8051 MCU FLASH 64K MP3 100BGA
標(biāo)準(zhǔn)包裝: 260
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: I²C,IDE/ATAPI,MMC,SPI,UART/USART,USB
外圍設(shè)備: 音頻,I²S,MP3,PCM,POR,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 2.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.3 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-TFBGA
包裝: 托盤
其它名稱: AT89C51SND2C7FTUL
5-22
DS785UM1
Copyright 2007 Cirrus Logic
System Controller
EP93xx User’s Guide
5
ScratchReg0, ScratchReg1
Address:
ScratchReg0 - 0x8093_0040, Read/Write
ScratchReg1 - 0x8093_0044, Read/Write
Default:
0x0000_0000
Definition:
Each of these locations provide a 32-bit read/write scratch register, that can be
used as a general purpose storage. These registers are reset to zero only on a
power-on-reset. A System Reset will have no effect.
Bit Descriptions:
Value:
This is a 32-bit read/write location.
APBWait
Address:
0x8093_0050, Read/Write
Definition:
The APBWait register controls the insertion of wait states for APB peripherals.
Bit Descriptions:
RSVD:
Reserved. Unknown During Read.
NO_WRITE_WAIT:Used in the AHB/APB bridge to not insert an AHB wait
during writes, if set. If reset, a wait state is added by
forcing HREADY = 0 during ST_WRITE. This bit resets to
0x0001.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Value
15
14
13
12
11
10
987
65
43
21
0
Value
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
RSVD
15
14
13
12
11
10
987
654321
0
RSVD
NO_WRITE_WAIT
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