PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 135
![Microcontroller](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC16F946T-I/PT
Manufacturer Part Number
PIC16F946T-I/PT
Description
Microcontroller
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F913-ISS.pdf
(8 pages)
3.PIC16F913-ISS.pdf
(34 pages)
4.PIC16F946T-IPT.pdf
(274 pages)
Specifications of PIC16F946T-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
336 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F946T-I/PT
Manufacturer:
MICROCHIP
Quantity:
12 000
Company:
Part Number:
PIC16F946T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F913-ISS PDF datasheet #2
- PIC16F913-ISS PDF datasheet #3
- PIC16F946T-IPT PDF datasheet #4
- Current page: 135 of 274
- Download datasheet (5Mb)
11.0
The Universal Synchronous Asynchronous Receiver
Transmitter (USART) module is one of the two serial
I/O modules. (USART is also known as a Serial
Communications Interface or SCI.) The USART can be
configured as a full-duplex asynchronous system that
can communicate with peripheral devices, such as
CRT terminals and personal computers, or it can be
configured as a half-duplex synchronous system that
can communicate with peripheral devices, such as A/D
or D/A integrated circuits, serial EEPROMs, etc.
REGISTER 11-1:
© 2005 Microchip Technology Inc.
ADDRESSABLE UNIVERSAL
SYNCHRONOUS
ASYNCHRONOUS RECEIVER
TRANSMITTER (USART)
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
TXSTA – TRANSMIT STATUS AND CONTROL REGISTER (ADDRESS 98h)
bit 7
CSRC: Clock Source Select bit
Asynchronous mode:
Don’t care
Synchronous mode:
1 = Master mode (clock generated internally from BRG)
0 = Slave mode (clock from external source)
TX9: 9-bit Transmit Enable bit
1 = Selects 9-bit transmission
0 = Selects 8-bit transmission
TXEN: Transmit Enable bit
1 = Transmit enabled
0 = Transmit disabled
SYNC: USART Mode Select bit
1 = Synchronous mode
0 = Asynchronous mode
Unimplemented: Read as ‘0’
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: 9th bit of Transmit Data, can be Parity bit
Legend:
R = Readable bit
- n = Value at POR
Note:
R/W-0
CSRC
SREN/CREN overrides TXEN in Sync mode.
R/W-0
TX9
R/W-0
TXEN
Preliminary
W = Writable bit
‘1’ = Bit is set
R/W-0
SYNC
The USART can be configured in the following modes:
• Asynchronous (full-duplex)
• Synchronous – Master (half-duplex)
• Synchronous – Slave (half-duplex)
Bit SPEN (RCSTA<7>) and bits TRISC<7:6> have to be
set in order to configure pins RC6/TX/CK/SCK/SCL/SEG9
and RC7/RX/DT/SDI/SDA/SEG8 as the Universal
Synchronous Asynchronous Receiver Transmitter.
The USART module also has a multi-processor
communication capability using 9-bit address detection.
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
—
R/W-0
BRGH
PIC16F946
x = Bit is unknown
TRMT
DS41265A-page 133
R-1
R/W-0
TX9D
bit 0
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