參數(shù)資料
型號(hào): PIC16F628A
廠商: Microchip Technology Inc.
英文描述: 18-pin Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology(18引腳,基于FLASH的8位CMOS微控制器,使用毫微瓦特技術(shù))
中文描述: 18引腳基于閃存的8位CMOS微控制器與納瓦技術(shù)(18引腳,基于閃存的8位的CMOS微控制器,使用毫微瓦特技術(shù))
文件頁數(shù): 59/168頁
文件大小: 2756K
代理商: PIC16F628A
2004 Microchip Technology Inc.
Preliminary
DS40044B-page 57
PIC16F627A/628A/648A
9.2.1
CCP PIN CONFIGURATION
The user must configure the RB3/CCP1 pin as an
output by clearing the TRISB<3> bit.
9.2.2
TIMER1 MODE SELECTION
Timer1 must be running in Timer mode or Synchro-
nized Counter mode if the CCP module is using the
compare feature. In Asynchronous Counter mode, the
compare operation may not work.
9.2.3
SOFTWARE INTERRUPT MODE
When generate software interrupt is chosen the CCP1
pin is not affected. Only a CCP interrupt is generated (if
enabled).
9.2.4
SPECIAL EVENT TRIGGER
In this mode, an internal hardware trigger is generated
which may be used to initiate an action.
The special event trigger output of CCP1 resets the
TMR1 register pair. This allows the CCPR1 register to
effectively be a 16-bit programmable period register for
Timer1.
TABLE 9-2:
REGISTERS ASSOCIATED WITH CAPTURE, COMPARE, AND TIMER1
Note:
Clearing the CCP1CON register will force
the RB3/CCP1 compare output latch to the
default low level. This is not the data latch.
Address
Name
Bit 7 Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR
Value on
all other
Resets
0Bh, 8Bh,
10Bh, 18Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x 0000 000u
0Ch
PIR1
EEIF CMIF
RCIF
TXIF
CCP1IF
TMR2IF
TMR1IF
0000 -000 0000 -000
8Ch
PIE1
EEIE CMIE
RCIE
TXIE
CCP1IE
TMR2IE
TMR1IE
0000 -000 0000 -000
86h, 186h
TRISB
PORTB Data Direction Register
1111 1111 1111 1111
0Eh
TMR1L
Holding register for the Least Significant Byte of the 16-bit TMR1 register
xxxx xxxx uuuu uuuu
0Fh
TMR1H
Holding register for the Most Significant Byte of the 16-bit TMR1register
xxxx xxxx uuuu uuuu
10h
T1CON
T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON
--00 0000 --uu uuuu
15h
CCPR1L
Capture/Compare/PWM register1 (LSB)
xxxx xxxx uuuu uuuu
16h
CCPR1H
Capture/Compare/PWM register1 (MSB)
xxxx xxxx uuuu uuuu
17h
CCP1CON
CCP1X
CCP1Y
CCP1M3
CCP1M2 CCP1M1 CCP1M0
--00 0000 --00 0000
Legend:
x
= unknown,
u
= unchanged,
-
= unimplemented read as ‘0’. Shaded cells are not used by Capture and Timer1.
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