PIC16F87-I/SS Microchip Technology, PIC16F87-I/SS Datasheet - Page 117

• 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

REGISTER 12-3:
 2003 Microchip Technology Inc.
bit 7
bit 6
bit 5-4
bit 3-0
bit 7
ADFM: A/D Result Format Select bit
1 = Right justified. Six Most Significant bits of ADRESH are read as ‘0’.
0 = Left justified. Six Least Significant bits of ADRESL are read as ‘0’.
ADCS2: A/D Clock Divide by 2 Select bit
1 = A/D clock source is divided by 2 when system clock is used
0 = Disabled
VCFG<1:0>: A/D Voltage Reference Configuration bits
Unimplemented: Read as ‘0’
Legend:
R = Readable bit
-n = Value at POR
ADCON1 REGISTER (ADDRESS 9Fh) PIC16F88 DEVICES ONLY
ADFM
R/W-0
Note:
Logic State
00
01
10
11
The ANSEL bits for AN3 and AN2 inputs must be configured as analog inputs for the
V
REF +
ADCS2
R/W-0
and V
V
V
V
AV
AV
REF
REF+
REF+
DD
DD
REF -
+
VCFG1
R/W-0
Preliminary
W = Writable bit
‘1’ = Bit is set
external pins to be used.
V
V
V
AV
AV
REF
REF-
REF-
SS
SS
-
VCFG0
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
—
PIC16F87/88
U-0
—
x = Bit is unknown
U-0
—
DS30487B-page 115
U-0
—
bit 0