參數(shù)資料
型號: EP7311-CV-90
廠商: Cirrus Logic Inc
文件頁數(shù): 37/42頁
文件大小: 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: 0°C ~ 70°C
封裝/外殼: 208-LQFP
包裝: 托盤
其它名稱: 598-1225
42
4341H–MP3–10/07
AT8xC51SND2C/MP3B
Table 9-5.
IEN1 Register
IEN1 (S:B1h) – Interrupt Enable Register 1
Reset Value = 0000 0000b
7
6
5
4
3
2
1
0
-
EUSB
-
EKB
-
ESPI
EI2C
EMMC
Bit Number
Bit
Mnemonic
Description
7
-
Reserved
The value read from this bit is always 0. Do not set this bit.
6
EUSB
USB Interface Interrupt Enable Bit
Set this bit to enable USB interrupts.
Clear this bit to disable USB interrupts.
5
-
Reserved
The value read from this bit is always 0. Do not set this bit.
4
EKB
Keyboard Interface Interrupt Enable Bit
Set to enable Keyboard interrupt.
Clear to disable Keyboard interrupt.
3
EADC
A to D Converter Interrupt Enable Bit
Set to enable ADC interrupt.
Clear to disable ADC interrupt.
2
ESPI
SPI Controller Interrupt Enable Bit
Set to enable SPI interrupt.
Clear to disable SPI interrupt.
1
EI2C
Two Wire Controller Interrupt Enable Bit
Set to enable Two Wire interrupt.
Clear to disable Two Wire interrupt.
0
EMMC
MMC Interface Interrupt Enable Bit
Set to enable MMC interrupt.
Clear to disable MMC interrupt.
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