PIC16F1517-E/P Microchip Technology, PIC16F1517-E/P Datasheet - Page 246

• Manufacturer Part Number: PIC16F1517-E/P
• Description: 40-pin, 14KB Flash, 512B RAM, 10-bit ADC, 2xCCP, SPI, MI2C, EUSART, 2.3V-5.5V 40
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1517-E/P

• Processor Series: PIC16F151x
• Core: PIC
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 8 KB
• Data Ram Size: 512 B
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 2.3 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Package / Case: PDIP-40
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: -
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.3 V ~ 5.5 V
• Data Converters: A/D 28x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Lead Free Status / Rohs Status: Details

PIC16(L)F1516/7/8/9
22.2
The factory calibrates the internal oscillator block out-
put (INTOSC). However, the INTOSC frequency may
drift as V
affects the asynchronous baud rate. The baud rate
clock can be adjusted, but requires a reference clock
source of some kind.
22.3
REGISTER 22-1:
DS41452B-page 246
bit 7
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Note 1:
R/W-/0
CSRC
Clock Accuracy with
Asynchronous Operation
EUSART Control Registers
DD
SREN/CREN overrides TXEN in Sync mode.
or temperature changes, and this directly
CSRC: Clock Source Select bit
Asynchronous mode:
Don’t care
Synchronous mode:
1 =
0 =
TX9: 9-bit Transmit Enable bit
1 =
0 =
TXEN: Transmit Enable bit
1 = Transmit enabled
0 = Transmit disabled
SYNC: EUSART Mode Select bit
1 = Synchronous mode
0 = Asynchronous mode
SENDB: Send Break Character bit
Asynchronous mode:
1 = Send Sync Break on next transmission (cleared by hardware upon completion)
0 = Sync Break transmission completed
Synchronous mode:
Don’t care
BRGH: High Baud Rate Select bit
Asynchronous mode:
1 = High speed
0 = Low speed
Synchronous mode:
Unused in this mode
TRMT: Transmit Shift Register Status bit
1 = TSR empty
0 = TSR full
TX9D: Ninth bit of Transmit Data
Can be address/data bit or a parity bit.
R/W-0/0
TX9
Master mode (clock generated internally from BRG)
Slave mode (clock from external source)
Selects 9-bit transmission
Selects 8-bit transmission
TXSTA: TRANSMIT STATUS AND CONTROL REGISTER
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
R/W-0/0
TXEN
(1)
(1)
R/W-0/0
SYNC
Preliminary
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
R/W-0/0
SENDB
The method to adjust the value in the Baud Rate
Generator can be done automatically with the
Auto-Baud
“Auto-Baud Detect”
resolution when adjusting the Baud Rate Generator to
compensate for a gradual change in the peripheral
clock frequency.
Detect
R/W-0/0
BRGH
). There may not be fine enough
feature
 2011 Microchip Technology Inc.
TRMT
R-1/1
(see
Section 22.4.1
R/W-0/0
TX9D
bit 0