参数资料
| 型号： | AT90LS2343-1SI |
| 厂商： | Atmel |
| 文件页数： | 8/63页 |
| 文件大小： | 0K |
| 描述： | IC MCU 2K FLASH 1MHZ IND 8-SOIC |
| 标准包装： | 95 |
| 系列： | AVR® 90LS |
| 核心处理器： | AVR |
| 芯体尺寸： | 8-位 |
| 速度： | 1MHz |
| 连通性： | SPI |
| 外围设备： | 欠压检测/复位，POR，WDT |
| 输入/输出数： | 5 |
| 程序存储器容量： | 2KB（1K x 16） |
| 程序存储器类型： | 闪存 |
| EEPROM 大小： | 128 x 8 |
| RAM 容量： | 128 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.7 V ~ 6 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.209"，5.30mm 宽） |
| 包装： | 管件 |
第1页第2页第3页第4页第5页第6页第7页当前第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页
2002 Microchip Technology Inc.
Preliminary
DS41139B-page 15
PIC16C433
4.2.2.1
STATUS Register
The STATUS Register, shown in Register 4-1, contains
the arithmetic status of the ALU, the RESET status and
the bank select bits for data memory.
The STATUS Register can be the destination for any
instruction, as with any other register. If the STATUS Reg-
ister is the destination for an instruction that affects the Z,
DC or C bits, then the write to these three bits is disabled.
These bits are set or cleared according to the device
logic. Furthermore, the TO and PD bits are not writable.
Therefore, the result of an instruction with the STATUS
Register as destination may be different than intended.
For example, CLRF STATUS will clear the upper three
bits and set the Z bit. This leaves the STATUS Regis-
ter as 000u u1uu (where u = unchanged).
It is recommended, therefore, that only BCF,
BSF,
SWAPF
and MOVWF instructions are used to alter the
STATUS Register, because these instructions do not
affect the Z, C or DC bits from the STATUS Register.
For other instructions, not affecting any status bits, see
the "Instruction Set Summary."
REGISTER 4-1:
STATUS REGISTER (ADDRESS 03h, 83h)
Note 1: Bits IRP and RP1 (STATUS<7:6>) are not
used by the PIC16C433 and should be
maintained clear. Use of these bits as
general purpose R/W bits is NOT recom-
mended, since this may affect upward
compatibility with future products.
2: The C and DC bits operate as a borrow
and digit borrow bit, respectively, in sub-
traction. See the SUBLW and SUBWF
instructions for examples.
Reserved
R/W-0
R-1
R/W-x
IRP
RP1
RP0
TO
PD
ZDC
C
bit7
bit0
bit 7
IRP: Register Bank Select bit (used for indirect addressing)
1
= Bank 2, 3 (100h - 1FFh)
0
= Bank 0, 1 (00h - FFh)
The IRP bit is reserved, always maintain this bit clear
bit 6-5
RP1:RP0: Register Bank Select bits (used for direct addressing)
11
= Bank 3 (180h - 1FFh)
10
= Bank 2 (100h - 17Fh)
01
= Bank 1 (80h - FFh)
00
= Bank 0 (00h - 7Fh)
Each bank is 128 bytes. The RP1 bit is reserved, always maintain this bit clear.
bit 4
TO: Timeout bit
1
= After power-up, CLRWDT instruction, or SLEEP instruction
0
= A WDT timeout occurred
bit 3
PD: Power-down bit
1
= After power-up or by the CLRWDT instruction
0
= By execution of the SLEEP instruction
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 (ADDWF, ADDLW, SUBLW, SUBWF instructions)
(for borrow the polarity is reversed)
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
bit 0
C: Carry/borrow bit (ADDWF, ADDLW, SUBLW, SUBWF instructions)
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
Note:
For borrow, the polarity is reversed. A subtraction is executed by adding the two’s
complement of the second operand. For rotate (RRF, RLF) instructions, this bit is
loaded with either the high or low order bit of the source register.
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR
’1’ = Bit is set
’0’ = Bit is cleared
x = Bit is unknown
相关PDF资料 |
PDF描述 |
|---|---|
| AT90PWM1-16MUR | MCU AVR 8K ISP FLASH 16MHZ 32QFN |
| AT90S1200A-4SC | MCU 1K FLASH 4MHZ LV 20-SOIC |
| AT90S2313-10PC | IC MCU 2K FLSH 10MHZ UART 20DIP |
| AT90S4433-8AC | IC MCU 4K FLSH 8MHZ A/D 32TQFP |
| AT90S8515A-8PC | IC MCU 8K FLSH 8MHZ 40DIP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT90LS2343-4PC | 功能描述:8位微控制器 -MCU 2k bit RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| AT90LS2343-4PI | 功能描述:8位微控制器 -MCU 2k bit RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| AT90LS2343-4SC | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Bit Microcontroller with 2K Bytes of In-System Programmable Flash |
| AT90LS2343-4SI | 功能描述:8位微控制器 -MCU 2k bit RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| AT90LS2343-4SI SL383 | 制造商:Atmel Corporation 功能描述:4MHZSOICIND TEMP3.0V |
发布紧急采购，3分钟左右您将得到回复。