參數(shù)資料
型號(hào): PIC16C73A-10/SP
廠商: Microchip Technology
文件頁數(shù): 75/114頁
文件大?。?/td> 0K
描述: IC MCU OTP 4KX14 A/D PWM 28DIP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 15
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 10MHz
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): 22
程序存儲(chǔ)器容量: 7KB(4K x 14)
程序存儲(chǔ)器類型: OTP
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 5x8b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 28-DIP(0.300",7.62mm)
包裝: 管件
其它名稱: PIC16C73A-10/SPR
PIC16C73A-10/SPR-ND
1997 Microchip Technology Inc.
DS30390E-page 63
PIC16C7X
7.3.1
SWITCHING PRESCALER ASSIGNMENT
The prescaler assignment is fully under software con-
trol, i.e., it can be changed “on the y” during program
execution.
EXAMPLE 7-1:
CHANGING PRESCALER (TIMER0
→WDT)
To change prescaler from the WDT to the Timer0 mod-
ule use the sequence shown in Example 7-2.
EXAMPLE 7-2:
CHANGING PRESCALER (WDT
→TIMER0)
CLRWDT
;Clear WDT and prescaler
BSF
STATUS, RP0 ;Bank 1
MOVLW
b'xxxx0xxx' ;Select TMR0, new prescale value and
MOVWF
OPTION_REG
;clock source
BCF
STATUS, RP0 ;Bank 0
TABLE 7-1:
REGISTERS ASSOCIATED WITH TIMER0
Note:
To avoid an unintended device RESET, the
following instruction sequence (shown in
Example 7-1) must be executed when
changing the prescaler assignment from
Timer0 to the WDT. This sequence must
be followed even if the WDT is disabled.
1)
BSF
STATUS, RP0
;Bank 1
Lines 2 and 3 do NOT have to
be included if the nal desired
prescale value is other than 1:1.
If 1:1 is nal desired value, then
a temporary prescale value is
set in lines 2 and 3 and the nal
prescale value will be set in lines
10 and 11.
2)
MOVLW
b'xx0x0xxx'
;Select clock source and prescale value of
3)
MOVWF
OPTION_REG
;other than 1:1
4)
BCF
STATUS, RP0
;Bank 0
5)
CLRF
TMR0
;Clear TMR0 and prescaler
6)
BSF
STATUS, RP1
;Bank 1
7)
MOVLW
b'xxxx1xxx'
;Select WDT, do not change prescale value
8)
MOVWF
OPTION_REG
;
9)
CLRWDT
;Clears WDT and prescaler
10) MOVLW
b'xxxx1xxx'
;Select new prescale value and WDT
11) MOVWF
OPTION_REG
;
12) BCF
STATUS, RP0
;Bank 0
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on:
POR,
BOR
Value on all
other resets
01h,101h
TMR0
Timer0 module’s register
xxxx xxxx
uuuu uuuu
0Bh,8Bh,
10Bh,18Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000u
81h,181h
OPTION
RBPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
85h
TRISA
PORTA Data Direction Register
--11 1111
Legend: x = unknown, u = unchanged, - = unimplemented locations read as '0'. Shaded cells are not used by Timer0.
相關(guān)PDF資料
PDF描述
PIC16C73A-20/SP IC MCU OTP 4KX14 A/D PWM 28DIP
DSPIC33FJ64GP710A-I/PF IC DSPIC MCU/DSP 64K 100-TQFP
PIC32MX575F256H-80I/PT IC MCU 32BIT 256KB FLASH 64TQFP
200390-9 CONN GUIDE SOCKET CENTER
PIC18F4585-I/P IC MCU FLASH 24KX16 40DIP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16C73A-20/SO 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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
PIC16C73A-20/SO 制造商:Microchip Technology Inc 功能描述:8BIT CMOS MCU SMD 16C73 SOIC28
PIC16C73A-20/SP 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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
PIC16C73A-20/SP 制造商:Microchip Technology Inc 功能描述:IC 8-BIT CMOS MCU
PIC16C73A-20E/SO 功能描述:8位微控制器 -MCU 7KB 192 RAM 22 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