PIC16F873-04E/SO Microchip Technology, PIC16F873-04E/SO Datasheet - Page 69
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC16F873-04E/SO
Manufacturer Part Number
PIC16F873-04E/SO
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SOP,28PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F873-04SO.pdf
(218 pages)
4.PIC16F873-04SO.pdf
(5 pages)
5.PIC16F873-04SO.pdf
(5 pages)
6.PIC16F873-04SO.pdf
(4 pages)
Specifications of PIC16F873-04E/SO
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC16F87304E/SO
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F873-04SO PDF datasheet #3
- PIC16F873-04SO PDF datasheet #4
- PIC16F873-04SO PDF datasheet #5
- PIC16F873-04SO PDF datasheet #6
- Current page: 69 of 218
- Download datasheet (4Mb)
REGISTER 9-2:
2001 Microchip Technology Inc.
bit 7
bit 6
bit 5
bit 4
bit 3-0
SSPCON: SYNC SERIAL PORT CONTROL REGISTER (ADDRESS 14h)
bit 7
WCOL: Write Collision Detect bit
Master mode:
1 = A write to SSPBUF was attempted while the I2C conditions were not valid
0 = No collision
Slave mode:
1 = SSPBUF register is written while still transmitting the previous word (must be cleared in
0 = No collision
In SPI mode:
1 = A new byte is received while SSPBUF holds previous data. Data in SSPSR is lost on overflow. In Slave
0 = No overflow
In I
1 = A byte is received while the SSPBUF is holding the previous byte. SSPOV is a "don’t care" in Transmit
0 = No overflow
SSPEN: Synchronous Serial Port Enable bit
In SPI mode,
When enabled, these pins must be properly configured as input or output
1 = Enables serial port and configures SCK, SDO, SDI, and SS as the source of the serial port pins
0 = Disables serial port and configures these pins as I/O port pins
In I
When enabled, these pins must be properly configured as input or output
1 = Enables the serial port and configures the SDA and SCL pins as the source of the serial port pins
0 = Disables serial port and configures these pins as I/O port pins
CKP: Clock Polarity Select bit
In SPI mode:
1 = Idle state for clock is a high level
0 = Idle state for clock is a low level
In I
SCK release control
1 = Enable clock
0 = Holds clock low (clock stretch). (Used to ensure data setup time.)
In I
Unused in this mode
SSPM3:SSPM0: Synchronous Serial Port Mode Select bits
0000 = SPI Master mode, clock = F
0001 = SPI Master mode, clock = F
0010 = SPI Master mode, clock = F
0011 = SPI Master mode, clock = TMR2 output/2
0100 = SPI Slave mode, clock = SCK pin. SS pin control enabled.
0101 = SPI Slave mode, clock = SCK pin. SS pin control disabled. SS can be used as I/O pin.
0110 = I
0111 = I
1000 = I
1011 = I
1110 = I
1111 = I
1001, 1010, 1100, 1101 = Reserved
Legend:
R = Readable bit
- n = Value at POR
SSPOV: Receive Overflow Indicator bit
WCOL
R/W-0
2
2
2
2
software)
mode, the user must read the SSPBUF, even if only transmitting data, to avoid overflows. In Master
mode, the overflow bit is not set, since each operation is initiated by writing to the SSPBUF register.
(Must be cleared in software.)
C mode:
mode. (Must be cleared in software.)
C mode,
C Slave mode:
C Master mode:
2
2
2
2
2
2
C Firmware Controlled Master mode, 7-bit address with START and STOP bit interrupts enabled
C Slave mode, 7-bit address
C Slave mode, 10-bit address
C Master mode, clock = F
C Firmware Controlled Master mode (slave idle)
C Firmware Controlled Master mode, 10-bit address with START and STOP bit interrupts enabled
SSPOV
R/W-0
W = Writable bit
’1’ = Bit is set
SSPEN
R/W-0
OSC
OSC
OSC
OSC
/4
/16
/64
/ (4 * (SSPADD+1))
R/W-0
CKP
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
SSPM3
R/W-0
SSPM2
R/W-0
PIC16F87X
x = Bit is unknown
SSPM1
R/W-0
DS30292C-page 67
SSPM0
R/W-0
bit 0
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