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參數(shù)資料
| 型號： | TS80C51RD2-LCE |
| 廠商： | Atmel |
| 文件頁數(shù)： | 19/84頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 8BIT 768BYTE 30MHZ 44VQFP |
| 標準包裝： | 800 |
| 系列： | 80C |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 30/20MHz |
| 連通性： | UART/USART |
| 外圍設(shè)備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲器類型： | ROMless |
| RAM 容量： | 768 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 44-QFP |
| 包裝： | 托盤 |
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dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
DS70292G-page 28
2007-2012 Microchip Technology Inc.
bit 7-5
IPL<2:0>: CPU Interrupt Priority Level Status bits(2)
111 = CPU Interrupt Priority Level is 7 (15), user interrupts disabled
110 = CPU Interrupt Priority Level is 6 (14)
101 = CPU Interrupt Priority Level is 5 (13)
100 = CPU Interrupt Priority Level is 4 (12)
011 = CPU Interrupt Priority Level is 3 (11)
010 = CPU Interrupt Priority Level is 2 (10)
001 = CPU Interrupt Priority Level is 1 (9)
000 = CPU Interrupt Priority Level is 0 (8)
bit 4
RA: REPEAT Loop Active bit
1 = REPEAT loop in progress
0 = REPEAT loop not in progress
bit 3
N: MCU ALU Negative bit
1 = Result was negative
0 = Result was non-negative (zero or positive)
bit 2
OV: MCU ALU Overflow bit
This bit is used for signed arithmetic (two’s complement). It indicates an overflow of a magnitude that
causes the sign bit to change state.
1 = Overflow occurred for signed arithmetic (in this arithmetic operation)
0 = No overflow occurred
bit 1
Z: MCU ALU Zero bit
1 = An operation that affects the Z bit has set it at some time in the past
0 = The most recent operation that affects the Z bit has cleared it (i.e., a non-zero result)
bit 0
C: MCU ALU Carry/Borrow bit
1 = A carry-out from the Most Significant bit of the result occurred
0 = No carry-out from the Most Significant bit of the result occurred
REGISTER 3-1:
SR: CPU STATUS REGISTER (CONTINUED)
Note 1: This bit can be read or cleared (not set).
2: The IPL<2:0> bits are concatenated with the IPL<3> bit (CORCON<3>) to form the CPU Interrupt Priority
Level. The value in parentheses indicates the IPL if IPL<3> = 1. User interrupts are disabled when
IPL<3> = 1.
3: The IPL<2:0> Status bits are read only when the NSTDIS bit (INTCON1<15>) = 1.
4: This bit can be read or cleared (not set). Clearing this bit clears SA and SB.
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相關(guān)代理商/技術(shù)參數(shù) |
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| TS80C51RD2-LCEB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| TS80C51RD2-LCED | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| TS80C51RD2-LCER | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| TS80C51RD2-LCL | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:High Performance 8-bit Microcontroller |
| TS80C51RD2-LCLB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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