PIC16F870T-I/SS Microchip Technology, PIC16F870T-I/SS Datasheet - Page 57
![IC MCU FLASH 2KX14 EE 28SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC16F870T-I/SS
Manufacturer Part Number
PIC16F870T-I/SS
Description
IC MCU FLASH 2KX14 EE 28SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F870-ISO.pdf
(172 pages)
4.PIC16F870-ISO.pdf
(6 pages)
Specifications of PIC16F870T-I/SS
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
For Use With
I3-DB16F871 - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F870-ISO PDF datasheet #3
- PIC16F870-ISO PDF datasheet #4
- Current page: 57 of 172
- Download datasheet (4Mb)
8.0
Each Capture/Compare/PWM (CCP) module contains
a 16-bit register which can operate as a:
• 16-bit Capture register
• 16-bit Compare register
• PWM Master/Slave Duty Cycle register
Table 8-1 shows the resources and interactions of the
CCP module. In the following sections, the operation of
a CCP module is described.
8.1
Capture/Compare/PWM Register1 (CCPR1) is com-
prised of two 8-bit registers: CCPR1L (low byte) and
CCPR1H (high byte). The CCP1CON register controls
the operation of CCP1. The special event trigger is
generated by a compare match and will reset Timer1
and start an A/D conversion (if the A/D module is
enabled).
REGISTER 8-1:
2003 Microchip Technology Inc.
CAPTURE/COMPARE/PWM
MODULES
CCP1 Module
bit 7-6
bit 5-4
bit 3-0
CCP1CON REGISTER REGISTER (ADDRESS: 17h/1Dh)
bit 7
Unimplemented: Read as '0'
CCP1X:CCP1Y: PWM Least Significant bits
Capture mode:
Unused
Compare mode:
Unused
PWM mode:
These bits are the two LSbs of the PWM duty cycle. The eight MSbs are found in CCPR1L.
CCP1M3:CCP1M0: CCP1 Mode Select bits
0000 = Capture/Compare/PWM disabled (resets CCP1 module)
0100 = Capture mode, every falling edge
0101 = Capture mode, every rising edge
0110 = Capture mode, every 4th rising edge
0111 = Capture mode, every 16th rising edge
1000 = Compare mode, set output on match (CCP1IF bit is set)
1001 = Compare mode, clear output on match (CCP1IF bit is set)
1010 = Compare mode, generate software interrupt on match (CCP1IF bit is set, CCP1 pin is
1011 = Compare mode, trigger special event (CCP1IF bit is set, CCP1 pin is unaffected);
11xx = PWM mode
Legend:
R = Readable bit
- n = Value at POR
U-0
—
unaffected)
CCP1resets TMR1, and starts an A/D conversion (if A/D module is enabled)
U-0
—
CCP1X
R/W-0
W = Writable bit
‘1’ = Bit is set
CCP1Y
R/W-0
Additional information on CCP modules is available in
the PICmicro™ Mid-Range MCU Family Reference
Manual (DS33023) and in application note AN594,
“Using the CCP Modules” (DS00594).
TABLE 8-1:
CCP Mode
CCP1M3
Compare
Capture
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
PWM
PIC16F870/871
CCP MODE - TIMER
RESOURCES REQUIRED
CCP1M2 CCP1M1
R/W-0
x = Bit is unknown
Timer Resource
R/W-0
DS30569B-page 55
Timer1
Timer1
Timer2
CCP1M0
R/W-0
bit 0
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