參數資料
型號: AT89C51SND2C-7FTUL
廠商: Atmel
文件頁數: 100/160頁
文件大?。?/td> 0K
描述: IC 8051 MCU FLASH 64K MP3 100BGA
標準包裝: 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
外圍設備: 音頻,I²S,MP3,PCM,POR,WDT
輸入/輸出數: 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: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-TFBGA
包裝: 托盤
其它名稱: AT89C51SND2C7FTUL
DS785UM1
7-39
Copyright 2007 Cirrus Logic
Raster Engine With Analog/LCD Integrated Timing and Interface
EP93xx User’s Guide
7
When the Vertical counter counts down to the written
STOP value, the VSYNC signal on the V_CSYNC pin will
go inactive if CSYNC = ‘0’ and SYNCEN = ‘1’ in the
VideoAttribs register. Please refer to the video signalling
timing diagrams shown in Figure 7-9 and Figure 7-10.
STRT:
Start - Read/Write
When the Vertical counter counts down to the written
STRT value, the VSYNC signal on the V_CSYNC pin will
go active if CSYNC = ‘0’ and SYNCEN = ‘1’ in the
VideoAttribs register.
VActiveStrtStop
Address: 0x8003_0008
Default: 0x0000_0000
Definition: Vertical Active Start/Stop register
Bit Descriptions:
RSVD:
Reserved - Unknown during read
STOP:
Stop - Read/Write
The STOP value is the value of the Vertical down counter
at which the VACTIVE signal becomes inactive (stops).
This indicates the end of the active video portion for the
Vertical frame. Please refer to the video signalling timing
diagrams in Figure 7-9 and Figure 7-10. VACTIVE is an
internal block signal. The active video interval is controlled
by the logical OR of VACTIVE and HACTIVE.
STRT:
Start - Read/Write
The STRT value is the value of the Vertical down counter
at which the VACTIVE signal becomes active (starts). This
indicates the start of the active video portion for the
Vertical frame. Please refer to the video signalling timing
diagrams in Figure 7-9 and Figure 7-10. VACTIVE is an
internal block signal. The active video interval is controlled
by the logical OR of VACTIVE and HACTIVE.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
RSVD
STOP
15
14
13
12
11
10
987654
3210
RSVD
STRT
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AT89C51-W 功能描述:8位微控制器 -MCU Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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