PIC16F818-E/ML Microchip Technology, PIC16F818-E/ML Datasheet - Page 346

• Manufacturer Part Number: PIC16F818-E/ML
• Description: IC PIC MCU FLASH 1KX14 20QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F818-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• 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: 16
• Number Of Timers: 1 x 16 bit
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 125 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, DM163014
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• For Use With: XLT28QFN3 - SOCKET TRAN ICE 18DIP/28QFNAC164033 - ADAPTER 28QFN TO 18DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
Figure 18-3:
Table 18-6: Registers Associated with Asynchronous Transmission
DS31018A-page 18-10
PIR
RCSTA
TXREG
PIE
TXSTA
SPBRG Baud Rate Generator Register
Legend: x = unknown, - = unimplemented locations read as '0'.
Note 1: The position of this bit is device dependent.
Name
TXIF bit
(interrupt reg. flag)
TRMT bit
(Transmit shift
reg. empty flag)
Write to TXREG
BRG output
(shift clock)
TX/CK pin
Shaded cells are not used for Asynchronous Transmission.
CSRC
SPEN
Bit 7
TX7
Asynchronous Master Transmission (Back to Back)
Note: This timing diagram shows two consecutive transmissions.
Bit 6
RX9
TX6
TX9
Transmit Shift Reg.
WORD 1
Word 1
SREN
TXEN
Bit 5
TX5
Start Bit
Word 2
CREN
SYNC
Bit 4
TX4
TXIE
TXIF
Bit 0
(1)
Bit 3
(1)
TX3
—
—
Bit 1
BRGH
FERR
WORD 1
Bit 2
TX2
OERR
TRMT
Bit 1
TX1
Bit 7/8
RX9D
TX9D
Bit 0
TX0
WORD 2
Transmit Shift Reg.
Stop Bit
1997 Microchip Technology Inc.
0000 -00x
0000 0000
0000 -010
0000 0000
Value on:
POR,
BOR
0
0
Start Bit
WORD 2
0000 -00x
0000 0000
0000 -010
0000 0000
Value on
all other
Resets
0
0
Bit 0