PIC16F870T-I/SS Microchip Technology, PIC16F870T-I/SS Datasheet - Page 45

• Manufacturer Part Number: PIC16F870T-I/SS
• Description: IC MCU FLASH 2KX14 EE 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

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

1997 Microchip Technology Inc.
Figure 2-9: CALFST Positive Internal RC Oscillator Frequency Offset
Figure 2-10: CALSLW Negative Internal RC Oscillator Frequency Offset
4 MHz
(@ 5V, 25˚C)
4 MHz
(@ 5V, 25˚C)
< 4 MHz
> 4 MHz
CAL3:CAL0 = 0000
1.5%
1.5%
CAL3:CAL0 = 0000
One of the 16 possible CAL3:CAL0 calibration points
One of the 16 possible CAL3:CAL0 calibration points
Section 2. Oscillator
CAL3:CAL0
Trim Window
CAL3:CAL0
Trim Window
CAL3:CAL0 = 1111
CAL3:CAL0 = 1111
DS31002A-page 2-15
Internal RC
Frequency at
device reset
CALFST = 0
CALFLW = 0
CALFST = 1
CALSLW = x
Internal RC
Frequency at
device reset
Internal RC
Frequency with
CALSLW = 0
CALFST = 0
Internal RC
Frequency with
CALSLW = 1
CALFST = 0
2