參數(shù)資料
型號(hào)： PIC17C42
廠商： Microchip Technology Inc.
英文描述： High-Performance 8-Bit CMOS EPROM/ROM Microcontroller(每個(gè)I/O口有20mA吸收,35mA驅(qū)動(dòng),2K 位EPROM微控制器)
中文描述： 高性能的8位CMOS存儲(chǔ)器/ ROM的微控制器（每個(gè)的I / O口有20mA的吸收，35毫安驅(qū)動(dòng)和2K位存儲(chǔ)器微控制器）
文件頁(yè)數(shù)： 229/241頁(yè)
文件大?。?/td> 1548K
代理商： PIC17C42
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1996 Microchip Technology Inc.
DS30412B-page 229
PIC17C4X
Turning on 16-bit Timer ......................................................74
TX9 ....................................................................................83
TX9d ..................................................................................83
TXEN .................................................................................83
TXIE ...................................................................................23
TXIF ...................................................................................24
TXREG .................................................19, 34, 89, 93, 97, 98
TXSTA .......................................................19, 34, 92, 96, 98
U
Upward Compatibility ...........................................................5
USART
Asynchronous Master Transmission ..........................90
Asynchronous Mode ..................................................89
Asynchronous Receive ..............................................91
Asynchronous Transmitter .........................................89
Baud Rate Generator .................................................86
Synchronous Master Mode ........................................93
Synchronous Master Reception .................................95
Synchronous Master Transmission ............................93
Synchronous Slave Mode ..........................................97
Synchronous Slave Transmit .....................................97
W
Wake-up from SLEEP ......................................................105
Wake-up from SLEEP Through Interrupt .........................105
Watchdog Timer .........................................................99, 103
WDT ...........................................................................99, 103
Clearing the WDT ....................................................103
Normal Timer ...........................................................103
Period .......................................................................103
Programming Considerations ..................................103
WDTPS0 ............................................................................99
WDTPS1 ............................................................................99
WREG ................................................................................34
X
XORLW ............................................................................141
XORWF ............................................................................141
Z
Z .....................................................................................9, 36
Zero (Z) ................................................................................9
LIST OF EXAMPLES
Example 3-1: Signed Math..................................................9
Example 3-2: Instruction Pipeline Flow .............................14
Example 5-1: Saving STATUS and WREG in RAM..........27
Example 6-1: Indirect Addressing......................................40
Example 7-1: Table Write..................................................46
Example 7-2: Table Read..................................................48
Example 8-1: 8 x 8 Multiply Routine..................................49
Example 8-2: 8 x 8 Signed Multiply Routine......................49
Example 8-3: 16 x 16 Multiply Routine..............................50
Example 8-4: 16 x 16 Signed Multiply Routine..................51
Example 9-1: Initializing PORTB.......................................57
Example 9-2: Initializing PORTC.......................................58
Example 9-3: Initializing PORTD.......................................60
Example 9-4: Initializing PORTE.......................................62
Example 9-5: Read Modify Write Instructions on an
I/O Port........................................................64
Example 11-1: 16-Bit Read .................................................69
Example 11-2: 16-Bit Write..................................................69
Example 12-1: Sequence to Read Capture Registers.........78
Example 12-2: Writing to TMR3 ..........................................80
Example 12-3: Reading from TMR3....................................80
Example 13-1: Calculating Baud Rate Error........................86
Example F-1: PIC17C42 to Sleep....................................221
LIST OF FIGURES
Figure 3-1:
Figure 3-2:
PIC17C42 Block Diagram ...........................10
PIC17CR42/42A/43/R43/44 Block
Diagram.......................................................11
Clock/Instruction Cycle................................14
Simplified Block Diagram of On-chip
Reset Circuit................................................15
Time-Out Sequence on Power-Up
(MCLR Tied to V
DD
)...................................17
Time-Out Sequence on Power-Up
(MCLR
NOT
Tied to V
DD
Slow Rise Time (MCLR Tied to V
Oscillator Start-Up Time..............................18
Using On-Chip POR....................................18
Brown-out Protection Circuit 1.....................18
PIC17C42 External Power-On Reset
Circuit (For Slow V
DD
Power-Up)................18
Brown-out Protection Circuit 2.....................18
Interrupt Logic .............................................21
INTSTA Register (Address: 07h,
Unbanked)...................................................22
PIE Register (Address: 17h, Bank 1) ..........23
PIR Register (Address: 16h, Bank 1)..........24
INT Pin / T0CKI Pin Interrupt Timing...........26
Program Memory Map and Stack................29
Memory Map in Different Modes.................30
External Program Memory Access
Waveforms..................................................31
Typical External Program Memory
Connection Diagram...................................31
PIC17C42 Register File Map.......................33
PIC17CR42/42A/43/R43/44 Register
File Map......................................................33
ALUSTA Register (Address: 04h,
Unbanked)...................................................36
CPUSTA Register (Address: 06h,
Unbanked)...................................................37
T0STA Register (Address: 05h,
Unbanked)...................................................38
Indirect Addressing......................................39
Program Counter Operation........................41
Figure 3-3:
Figure 4-1:
Figure 4-2:
Figure 4-3:
)............................17
DD
Figure 4-4:
Figure 4-5:
Figure 4-6:
Figure 4-7:
Figure 4-8:
)..........17
Figure 4-9:
Figure 5-1:
Figure 5-2:
Figure 5-3:
Figure 5-4:
Figure 5-5:
Figure 6-1:
Figure 6-2:
Figure 6-3:
Figure 6-4:
Figure 6-5:
Figure 6-6:
Figure 6-7:
Figure 6-8:
Figure 6-9:
Figure 6-10:
Figure 6-11:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC17C42/JW 制造商:Microchip Technology Inc 功能描述:
PIC17C42-25/L 制造商:Microchip Technology 功能描述:MCU 8-bit PIC17 PIC RISC 4KB EPROM 5V 44-Pin PLCC Tube
PIC17C4225L 制造商:MICROCHIP 功能描述:New
PIC17C42A/JW 功能描述:8位微控制器 -MCU 4KB 232 RAM 33 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
PIC17C42A-16/L 功能描述:8位微控制器 -MCU 4KB 232 RAM 33 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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