參數(shù)資料
型號(hào)： PIC17C766-16/L
廠商： Microchip Technology
文件頁(yè)數(shù)： 108/159頁(yè)
文件大?。?/td> 0K
描述： IC MCU OTP 16KX16 A/D 84PLCC
產(chǎn)品培訓(xùn)模塊： Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝： 16
系列： PIC® 17C
核心處理器： PIC
芯體尺寸： 8-位
速度： 16MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： 欠壓檢測(cè)/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 66
程序存儲(chǔ)器容量： 32KB（16K x 16）
程序存儲(chǔ)器類型： OTP
RAM 容量： 902 x 8
電壓 - 電源 (Vcc/Vdd)： 4.5 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 16x10b
振蕩器型： 外部
工作溫度： 0°C ~ 70°C
封裝/外殼： 84-LCC（J 形引線）
包裝： 管件
配用： AC164318-ND - MODULE SKT MPLAB PM3 84PLCC
DVA17XL841-ND - DEVICE ADAPTER FOR PIC17C762
DM173001-ND - KIT DEVELOPMENT PICDEM17
AC164027-ND - ADAPTER PICSTART PLUS 84PLCC
AC174012-ND - MODULE SKT PROMATEII 84PLCC
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2000 Microchip Technology Inc.
DS30289B-page 51
PIC17C7XX
7.2.2.1
ALU Status Register (ALUSTA)
The ALUSTA register contains the status bits of the
Arithmetic and Logic Unit and the mode control bits for
the indirect addressing register.
As with all the other registers, the ALUSTA register can
be the destination for any instruction. If the ALUSTA
register is the destination for an instruction that affects
the Z, DC, C, or OV bits, then the write to these three
bits is disabled. These bits are set or cleared according
to the device logic. Therefore, the result of an instruc-
tion with the ALUSTA register as destination may be
different than intended.
For example, the CLRF ALUSTA, F instruction will clear
the upper four bits and set the Z bit. This leaves the
ALUSTA register as 0000u1uu (where u = unchanged).
It is recommended, therefore, that only BCF, BSF, SWAPF
and MOVWF instructions be used to alter the ALUSTA
register, because these instructions do not affect any
status bits. To see how other instructions affect the sta-
tus bits, see the “Instruction Set Summary.”
The Arithmetic and Logic Unit (ALU) is capable of car-
rying out arithmetic or logical operations on two oper-
ands, or a single operand. All single operand
instructions operate either on the WREG register, or
the given file register. For two operand instructions, one
of the operands is the WREG register and the other is
either a file register, or an 8-bit immediate constant.
REGISTER 7-1:
ALUSTA REGISTER (ADDRESS: 04h, UNBANKED)
Note 1: The C and DC bits operate as a borrow and
digit borrow bit, respectively, in subtraction.
See the SUBLW and SUBWF instructions for
examples.
2: The overflow bit will be set if the 2’s comple-
ment result exceeds +127, or is less than -128.
R/W-1
R/W-x
FS3
FS2
FS1
FS0
OV
Z
DC
C
bit 7
bit 0
bit 7-6
FS3:FS2: FSR1 Mode Select bits
00
= Post auto-decrement FSR1 value
01
= Post auto-increment FSR1 value
1x
= FSR1 value does not change
bit 5-4
FS1:FS0: FSR0 Mode Select bits
00
= Post auto-decrement FSR0 value
01
= Post auto-increment FSR0 value
1x
= FSR0 value does not change
bit 3
OV: Overflow bit
This bit is used for signed arithmetic (2’s complement). It indicates an overflow of the 7-bit
magnitude, which causes the sign bit (bit7) to change state.
1
= Overflow occurred for signed arithmetic (in this arithmetic operation)
0
= No overflow occurred
bit 2
Z: Zero bit
1
= The result of an arithmetic or logic operation is zero
0
= The result of an arithmetic or logic operation is not zero
bit 1
DC: Digit carry/borrow bit
For ADDWF and ADDLW instructions.
1
= A carry-out from the 4th low order bit of the result occurred
0
= No carry-out from the 4th low order bit of the result
Note:
For borrow, the polarity is reversed.
bit 0
C: Carry/borrow bit
For ADDWF and ADDLW instructions. Note that a subtraction is executed by adding the two’s
complement of the second operand.
For rotate (RRCF, RLCF) instructions, this bit is loaded with either the high or low order bit of the
source register.
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
Note:
For borrow, the polarity is reversed.
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR Reset
’1’ = Bit is set
’0’ = Bit is cleared
x = Bit is unknown
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參數(shù)描述
PIC17C766-33/L 功能描述:8位微控制器 -MCU 32KB 902 RAM 66 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
PIC17C766-33/L 制造商:Microchip Technology Inc 功能描述:8BIT CMOS MCU SMD 17C766 PLCC84
PIC17C766-33/PT 功能描述:8位微控制器 -MCU 32KB 902 RAM 66 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
PIC17C766-33E/L 功能描述:8位微控制器 -MCU 32KB 902 RAM 66 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
PIC17C766-33E/PT 功能描述:8位微控制器 -MCU 32KB 902 RAM 66 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT
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