參數(shù)資料
型號： PIC16F785
廠商： Microchip Technology Inc.
英文描述： 20-Pin Flash-Based 8-Bit CMOS Microcontroller with Two-Phase Asychronous Feedback PWM, Dual High-Speed Comparators and Dual Operational Amplifiers
中文描述： 20引腳基于閃存的8兩相異步反饋的PWM，雙高位CMOS微控制器的高速比較器和雙運算放大器
文件頁數(shù)： 88/178頁
文件大小： 1620K
代理商： PIC16F785
PIC16F785
DS41249A-page 86
Preliminary
2004 Microchip Technology Inc.
12.4
Effects of Reset
A device Reset forces all registers to their Reset state.
Thus, the A/D module is turned off and any pending
conversion is aborted. The ADRESH:ADRESL regis-
ters are unchanged.
12.5
Use of the CCP Trigger
An A/D conversion can be started by the “special event
trigger” of the CCP module. This requires that the
CCP1M3:CCP1M0 bits (CCP1CON<3:0>) be pro-
grammed as ‘
1011
’ and that the A/D module is enabled
(ADON bit is set). When the trigger occurs, the
GO/DONE bit will be set, starting the A/D conversion
and the Timer1 counter will be reset to zero. Timer1 is
reset to automatically repeat the A/D acquisition period
with
minimal software
ADRESH:ADRESL to the desired location).
overhead
(moving
the
The appropriate analog input channel must be selected
and the minimum acquisition done before the “special
event trigger” sets the GO/DONE bit (starts a
conversion).
If the A/D module is not enabled (ADON is cleared),
then the “special event trigger” will be ignored by the
A/D module, but will still reset the Timer1 counter. See
Section 8.0 “Capture/Compare/PWM (CCP) Mod-
ule”
for more information.
TABLE 12-3:
SUMMARY OF A/D REGISTERS
Addr
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
05h,
105h
PORTA
—
—
RA5
RA4
RA3
RA2
RA1
RA0
--xx xxxx
--uu uuuu
06h,
106h
PORTB
RB7
RB6
RB5
RB4
—
—
—
—
xxxx ----
uuuu ----
07h,
107h
PORTC
RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
xxxx xxxx
uuuu uuuu
0Bh,
8Bh
INTCON
GIE
PEIE
T0IE
INTE
RAIE
T0IF
INTF
RAIF
0000 0000
0000 0000
0Ch
PIR1
EEIF
ADIF
CCP1IF
C2IF
C1IF
OSFIF
TMR2IF
TMR1IF
0000 0000
0000 0000
1Eh
ADRESH
Most Significant 8 bits of the left justified A/D result or 2 bits of the right justified result
xxxx xxxx
uuuu uuuu
1Fh
ADCON0
ADFM
VCFG
CHS3
CHS2
CHS1
CHS0
GO/DONE
ADON
0000 0000
0000 0000
85h,
185h
TRISA
—
—
TRISA5
TRISA4
TRISA3
TRISA2
TRISA1
TRISA0
--11 1111
--11 1111
86h,
186h
TRISB
TRISB7
TRISB6
TRISB5
TRISB4
—
—
—
—
1111 ----
1111 ----
87h,
187h
TRISC
TRISC7
TRISC6
TRISC5
TRISC4
TRISC3
TRISC2
TRISC1
TRISC0
1111 1111
1111 1111
8Ch
PIE1
EEIE
ADIE
CCP1IE
C2IE
C1IE
OSFIE
TMR2IE
TMR1IE
0000 0000
0000 0000
91h
ANSEL0
ANS7
ANS6
ANS5
ANS4
ANS3
ANS2
ANS1
ANS0
1111 1111
1111 1111
93h
ANSEL1
—
—
—
—
ANS11
ANS10
ANS9
ANS8
---- 1111
---- 1111
9Eh
ADRESL
Least Significant 2 bits of the left justified A/D result or 8 bits of the right justified result
xxxx xxxx
uuuu uuuu
9Fh
ADCON1
—
ADCS2
ADCS1
ADCS0
—
—
—
—
-000 ----
-000 ----
Legend:
x
= unknown,
u
= unchanged, — = unimplemented read as '
0
'. Shaded cells are not used for A/D module.
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相關代理商/技術參數(shù)
參數(shù)描述
PIC16F785-E/ML 功能描述:8位微控制器 -MCU 3.5 KB 128 RAM 18I/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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
PIC16F785-E/P 功能描述:8位微控制器 -MCU 14KB 368 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
PIC16F785-E/SO 功能描述:8位微控制器 -MCU 3.5KB FL 128R 18 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
PIC16F785-E/SS 功能描述:8位微控制器 -MCU 3.5KB FL 128R 18 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
PIC16F785-I/ML 功能描述:8位微控制器 -MCU 3.5 KB 128 RAM 18I/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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
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