參數(shù)資料
型號: EP7311-IV-90
廠商: Cirrus Logic Inc
文件頁數(shù): 16/42頁
文件大?。?/td> 0K
描述: IC ARM720T MCU 90MHZ 208-LQFP
標(biāo)準(zhǔn)包裝: 36
系列: EP7
核心處理器: ARM7
芯體尺寸: 32-位
速度: 90MHz
連通性: 編解碼器,EBI/EMI,IrDA,鍵盤,多媒體編解碼器,SPI/Microwire1,UART/USART
外圍設(shè)備: LCD,LED,MaverickKey,PWM
輸入/輸出數(shù): 27
程序存儲器類型: ROMless
RAM 容量: 56K x 8
電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 2.7 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 208-LQFP
包裝: 托盤
其它名稱: 598-1231
23
4341H–MP3–10/07
AT8xC51SND2C/MP3B
Reset Value = XXUU UXXX, UUUU UUUU after an hardware full chip erase.
Note:
1. X2B initializes the X2 bit in CKCON during the reset phase.
2. In order to ensure boot loader activation at first power-up, AT89C51SND2C products are deliv-
ered with BLJB programmed.
3. Bits 0 to 3 (LSN) can only be programmed by hardware mode.
Reset Value = XXXX XXXX, UUUU UUUU after an hardware full chip erase.
Table 6-4.
SBV Byte – Software Boot Vector
7
6
5
4
3
2
1
0
ADD15
ADD14
ADD13
ADD12
ADD11
ADD10
ADD9
ADD8
Bit Number
Bit
Mnemonic
Description
7 - 0
ADD15:8
MSB of the user’s boot loader 16-bit address location
Refer to the boot loader datasheet for usage information (boot loader dependent)
Table 6-5.
SSB Byte – Software Security Byte
7
6
5
4
3
2
1
0
SSB7
SSB6
SSB5
SSB4
SSB3
SSB2
SSB1
SSB0
Bit Number
Bit
Mnemonic
Description
7 - 0
SSB7:0
Software Security Byte Data
Refer to the boot loader datasheet for usage information (boot loader dependent)
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