PIC16F87-I/SS Microchip Technology, PIC16F87-I/SS Datasheet - Page 71

• Manufacturer Part Number: PIC16F87-I/SS
• Description: IC MCU FLASH 4KX14 EEPROM 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F87-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
• 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: 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS-1 - SOCKET TRANSITION 18DIP 20SSOPAC164307 - MODULE SKT FOR PM3 28SSOP
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

EXAMPLE 6-1:
TABLE 6-1:
 2003 Microchip Technology Inc.
01h,101h
0Bh,8Bh,
10Bh,18Bh
81h,181h
Legend:
CLRWDT
BANKSEL OPTION
MOVLW
MOVWF
Address
x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by Timer0.
b'xxxx0xxx'
OPTION
TMR0
INTCON
OPTION
Name
REGISTERS ASSOCIATED WITH TIMER0
Timer0 Module Register
CHANGING THE PRESCALER ASSIGNMENT FROM WDT TO TIMER0
RBPU
Bit 7
GIE
; Clear WDT and prescaler
; Select Bank of OPTION
; Select TMR0, new prescale
; value and clock source
INTEDG
PEIE
Bit 6
TMR0IE
T0CS
Bit 5
Preliminary
T0SE
Bit 4
INTE
RBIE TMR0IF INTF RBIF 0000 000x
Bit 3
PSA
Bit 2
PS2
Bit 1 Bit 0
PS1
PIC16F87/88
PS0
xxxx xxxx
1111 1111
POR, BOR
Value on
DS30487B-page 69
uuuu uuuu
0000 000u
1111 1111
Value on
all other
RESETS