PIC16F88-I/SS Microchip Technology, PIC16F88-I/SS Datasheet - Page 87
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PIC16F88-I/SS
Manufacturer Part Number
PIC16F88-I/SS
Description
IC MCU FLASH 4KX14 EEPROM 20SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(6 pages)
4.PIC16F87-IP.pdf
(228 pages)
5.PIC16F87-IP.pdf
(8 pages)
6.PIC16F87-IP.pdf
(4 pages)
7.PIC16F87-IP.pdf
(8 pages)
8.PIC16F88-ISO.pdf
(214 pages)
Specifications of PIC16F88-I/SS
Program Memory Type
FLASH
Program Memory Size
7KB (4K x 14)
Package / Case
20-SSOP
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Eeprom Size
256 x 8
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
368 B
Interface Type
SSP/USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
3
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014
Minimum Operating Temperature
- 40 C
On-chip Adc
7-ch x 10-bit
Data Rom Size
256 B
A/d Bit Size
10 bit
A/d Channels Available
7
Height
1.75 mm
Length
7.2 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4 V
Width
5.3 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT20SS-1 - SOCKET TRANSITION 18DIP 20SSOPAC164307 - MODULE SKT FOR PM3 28SSOPAC164018 - MODULE SKT PROMATEII 20SSOP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F88-I/SS
Manufacturer:
U-BLOX
Quantity:
12 000
The maximum PWM resolution (bits) for a given PWM
frequency is given by the following formula.
EQUATION 9-3:
TABLE 9-3:
TABLE 9-4:
2003 Microchip Technology Inc.
0Bh,8Bh
10Bh,18Bh
0Ch
8Ch
86h
11h
92h
12h
15h
16h
17h
Legend:
Timer Prescaler (1, 4, 16)
PR2 Value
Maximum Resolution (bits)
Address
Note:
Resolution
INTCON
PIR1
PIE1
TRISB
TMR2
PR2
T2CON
CCPR1L
CCPR1H
CCP1CON
x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used by PWM and Timer2.
If the PWM duty cycle value is longer than
the PWM period, the CCP1 pin will not be
cleared.
Name
PWM Frequency
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS AT 20 MHz
REGISTERS ASSOCIATED WITH PWM AND TIMER2
=
PORTB Data Direction Register
Timer2 Module Register
Timer2 Module Period Register
Capture/Compare/PWM Register 1 (LSB)
Capture/Compare/PWM Register 1 (MSB)
Bit 7
GIE
—
—
—
—
log
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0 -000 0000 -000 0000
(
log(2)
PEIE
ADIF
ADIE
Bit 6
F
F
—
PWM
OSC
)
TMR0IE
CCP1X
bits
RCIF
RCIE
Bit 5
1.22 kHz 4.88 kHz 19.53 kHz 78.12 kHz 156.3 kHz 208.3 kHz
0xFF
CCP1Y
16
10
INTE
TXIE
Bit 4
TXIF
Preliminary
CCP1M3 CCP1M2 CCP1M1 CCP1M0 --00 0000 --00 0000
SSPIF
SSPIE
RBIE
0xFF
Bit 3
10
4
9.3.3
The following steps should be taken when configuring
the CCP module for PWM operation:
1.
2.
3.
4.
5.
Note:
TMR0IF
CCP1IF
CCP1IE
Set the PWM period by writing to the PR2
register.
Set the PWM duty cycle by writing to the
CCPR1L register and CCP1CON<5:4> bits.
Make the CCP1 pin an output by clearing the
TRISB<x> bit.
Set the TMR2 prescale value and enable Timer2
by writing to T2CON.
Configure the CCP1 module for PWM operation.
Bit 2
0xFF
10
1
SETUP FOR PWM OPERATION
The TRISB bit (0 or 3) is dependant upon
the
(CCPMX).
TMR2IF
TMR2IE
INTF
Bit 1
setting
0x3F
PIC16F87/88
1
8
TMR1IE -000 0000 -000 0000
TMR1IF -000 0000 -000 0000
RBIF
Bit 0
of
configuration
1111 1111 1111 1111
0000 000x 0000 000u
0000 0000 0000 0000
1111 1111 1111 1111
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
POR, BOR
0x1F
Value on
1
7
DS30487B-page 85
0x17
Value on
RESETS
all other
bit
6.6
1
12