PIC16F72-I/SS Microchip Technology, PIC16F72-I/SS Datasheet - Page 149

• 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

9.5
1997 Microchip Technology Inc.
PORTD and the TRISD Register
PORTD is an 8-bit port with Schmitt Trigger input buffers. Each pin is individually configurable as
an input or output.
Example 9-4: Initializing PORTD
Figure 9-7: Typical PORTD Block Diagram (in I/O Port Mode)
Data Bus
WR PORT
WR TRIS
Note: I/O pins have protection diodes to V
RD PORT
CLRF
CLRF
BSF
MOVLW
MOVWF
STATUS
PORTD
STATUS, RP0
0xCF
TRISD
TRIS Latch
Data Latch
D
D
CK
CK
; Bank0
; Initialize PORTD by clearing output
;
; Select Bank1
; Value used to initialize data direction
; PORTD<3:0> = inputs, PORTD<5:4> = outputs
;
Q
Q
Q
Q
RD TRIS
data latches
PORTD<7:6> = inputs
DD
and V
Section 9. I/O Ports
SS
.
Q
EN
D
DS31009A-page 9-9
Schmitt
Trigger
input
buffer
I/O pin
9