PIC16LF873A-I/SS Microchip Technology, PIC16LF873A-I/SS Datasheet - Page 50

• Manufacturer Part Number: PIC16LF873A-I/SS
• Description: IC MCU FLASH 4KX14 EE A/D 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16LF873A-I/SS

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 28-SSOP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 1 x 16 bit
• 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, DM163022, DV164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• Data Rom Size: 128 B
• Height: 1.75 mm
• Length: 10.2 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Width: 5.3 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: PIC16LF873AI/SS

PIC16F87XA
4.4
PORTD is an 8-bit port with Schmitt Trigger input
buffers. Each pin is individually configurable as an input
or output.
PORTD can be configured as an 8-bit wide
microprocessor port (Parallel Slave Port) by setting
control bit, PSPMODE (TRISE<4>). In this mode, the
input buffers are TTL.
TABLE 4-7:
TABLE 4-8:
DS39582B-page 48
08h
88h
89h
Legend: x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used by PORTD.
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
Legend: ST = Schmitt Trigger input, TTL = TTL input
Note 1:
Address
Note:
Name
PORTD and TRISD Registers
PORTD
TRISD
TRISE
Input buffers are Schmitt Triggers when in I/O mode and TTL buffers when in Parallel Slave Port mode.
PORTD and TRISD are not implemented
on the 28-pin devices.
Name
Bit#
bit 0
bit 1
bit 3
bit 4
bit 5
bit 6
bit 7
bit2
PORTD FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTD
PORTD Data Direction Register
Bit 7
RD7
IBF
Bit 6
RD6
OBF IBOV PSPMODE
Buffer Type
ST/TTL
ST/TTL
ST/TTL
ST/TTL
ST/TTL
ST/TTL
ST/TTL
ST/TTL
Bit 5
RD5
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Bit 4
RD4
Input/output port pin or Parallel Slave Port bit 0.
Input/output port pin or Parallel Slave Port bit 1.
Input/output port pin or Parallel Slave Port bit 2.
Input/output port pin or Parallel Slave Port bit 3.
Input/output port pin or Parallel Slave Port bit 4.
Input/output port pin or Parallel Slave Port bit 5.
Input/output port pin or Parallel Slave Port bit 6.
Input/output port pin or Parallel Slave Port bit 7.
Bit 3
RD3
—
FIGURE 4-8:
PORTE Data Direction Bits 0000 -111 0000 -111
Bit 2
RD2
Note 1: I/O pins have protection diodes to V
Data
Bus
WR
Port
WR
TRIS
RD
TRIS
RD Port
Bit 1
RD1
TRIS Latch
Function
Data Latch
D
D
CK
CK
Q
Bit 0
RD0
Q
PORTD BLOCK DIAGRAM
(IN I/O PORT MODE)
 2003 Microchip Technology Inc.
Q
xxxx xxxx uuuu uuuu
1111 1111 1111 1111
POR, BOR
Value on:
EN
EN
Schmitt
Trigger
Input
Buffer
D
DD
and V
Value on
all other
I/O pin
Resets
SS
.
(1)