參數(shù)資料
型號(hào): PIC16C712-04/P
廠商: Microchip Technology
文件頁數(shù): 55/106頁
文件大?。?/td> 0K
描述: IC MCU OTP 1KX14 A/D PWM 18DIP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
標(biāo)準(zhǔn)包裝: 25
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 13
程序存儲(chǔ)器容量: 1.75KB(1K x 14)
程序存儲(chǔ)器類型: OTP
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x8b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 18-DIP(0.300",7.62mm)
包裝: 管件
PIC16C712/716
DS41106B-page 50
2005 Microchip Technology Inc.
8.4
A/D Conversions
8.5
Use of the CCP Trigger
An A/D conversion can be started by the “Special Event
Trigger” of the CCP1 module. This requires that the
CCP1M3:CCP1M0
bits
(CCP1CON<3:0>)
be
programmed 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 overhead (moving the ADRES to
the desired location). 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.
TABLE 8-2:
SUMMARY OF A/D REGISTERS
Note:
The GO/DONE bit should NOT be set in
the same instruction that turns on the A/D.
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
05h
PORTA
(1)
RA4
RA3
RA2
RA1
RA0
--xx xxxx
--xu uuuu
0Bh,8Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000u
0Ch
PIR1
ADIF
CCP1IF
TMR2IF
TMR1IF -0-- -000
-0-- -000
1Eh
ADRES
A/D Result Register
xxxx xxxx
uuuu uuuu
1Fh
ADCON0
ADCS1
ADCS0
CHS2
CHS1
CHS0
GO/DONE
—ADON
0000 00-0
85h
TRISA
(1)
PORTA Data Direction Register
---1 1111
8Ch
PIE1
ADIE
CCP1IE
TMR2IE
TMR1IE -0-- -000
-0-- 0000
9Fh
ADCON1
PCFG2
PCFG1
PCFG0
---- -000
Legend: x = unknown, u = unchanged, — = unimplemented read as ‘0’. Shaded cells are not used for A/D conversion.
Note 1:
Reserved bits; Do Not Use.
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