- 50 - Bit 1: SMBALERT Pin Status (Reserved) Bit 0: SMBALTER Event Control (Reserved) Control the occurrence of SMBALTER Ev" />
參數(shù)資料
型號: W83L951DG
廠商: Nuvoton Technology Corporation of America
文件頁數(shù): 63/112頁
文件大小: 0K
描述: IC EMBEDDED CNTRLR 128-LQFP
標準包裝: 90
系列: W83
核心處理器: 8051
芯體尺寸: 8-位
速度: 24MHz
連通性: 主機接口,PS/2,SMBus,UART/USART
外圍設(shè)備: PWM,WDT
輸入/輸出數(shù): 104
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b; D/A 2x8b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 128-LQFP
包裝: 托盤
W83L951DG/W83L951FG
- 50 -
Bit 1: SMBALERT Pin Status (Reserved)
Bit 0: SMBALTER Event Control (Reserved)
Control the occurrence of SMBALTER Event
0: Disable
1: Enable.
6.4.1.2
Interrupt Register (SM1/2IREQ) (Default Value: 0000_0000)
Bit 7: Master Status
Indicate Master Status Register changed.
Bit 6: Master FIFO Data Ready Interrupt
Indicate that FIFO finishes receiving data byte when Master is under MSR (Master at Receiving)
mode. About detail description, please refer Bit7@SM1/2SCR.
Bit 5: Master FIFO Data Request Interrupt
Indicate that FIFO request micro-processor provides data for transmitting to Salve when Master is
under MST (Master at Transmitting) mode and empty.
Bit 4: Master Packet Finished Interrupt
Indicate that Master finishes package transmission (Include Rx and Tx).
Bit 3~0: Reserved
6.4.1.3
Interrupt Enable Register (SM1/2IE) (Default Value: 0000_0000)
All Bits:
1: Enable Interrupt.
The content of Interrupt Register via OR operation will convert into Microprocessor Internal Interrupt
Source.
0: Disable Interrupt.
Disable convert into Microprocessor Internal Interrupt, but relative interrupt flag will still be produced.
6.4.1.4
FIFO Control Register (SM1/2FIFOCON) (Default Value: 0000_0000)
Bit 7: STOP Tag Flag (Only for Master)
Indicate that writing byte is the last byte.
Bit 6: Repeat_Start Tag Flag (Only for Master)
Indicate that writing byte is Repeat_Start Byte.
Bit 5~4: Master FIFO Threshold Level Select
00: AE – 2, AF – 6, 01: AE - 3, AF – 5
10: AE – 4, AF – 4, 11: Disable
Note: AE is Almost Empty Flag, AF is Almost Full Flag.
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