PIC16F72-I/SS Microchip Technology, PIC16F72-I/SS Datasheet - Page 57

• Manufacturer Part Number: PIC16F72-I/SS
• Description: IC PIC MCU FLASH 2KX14 28-SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F72-I/SS

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 28-SSOP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: I2C/SPI/SSP
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5-ch x 8-bit
• Controller Family/series: PIC16F
• No. Of I/o's: 22
• Ram Memory Size: 128Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Embedded Interface Type: I2C, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164307 - MODULE SKT FOR PM3 28SSOPXLT28SS-1 - SOCKET TRANSITION ICE 28SSOP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 10-1:
FIGURE 10-2:
© 2007 Microchip Technology Inc.
Converter
A/D
Legend: C
VA
A/D BLOCK DIAGRAM
ANALOG INPUT MODEL
Rs
V
I leakage
R
SS
C
T
PIN
IC
HOLD
ANx
C
5 pF
PIN
(Reference
Voltage)
= input capacitance
= threshold voltage
= leakage current at the pin due to
= interconnect resistance
= sampling switch
= sample/hold capacitance (from DAC)
V
various junctions
REF
(Input Voltage)
PCFG2:PCFG0
V
V
DD
AIN
V
V
T
T
= 0.6 V
= 0.6 V
V
DD
001 or
011 or
101
000 or
010 or
100
I leakage
± 500 nA
R
IC
≤ 1 k
V
DD
CHS2:CHS0
SS R
Sampling
Switch
6V
5V
4V
3V
2V
SS
100
011
010
001
000
Sampling Switch
5 6 7 8 9 10 11
V
SS
C
= DAC capacitance
= 51.2 pF
( kΩ )
HOLD
PIC16F72
DS39597C-page 55
RA1/AN1
RA2/AN2
RA0/AN0
RA5/AN4
RA3/AN3/V
REF