PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 145

• Manufacturer Part Number: PIC16F946T-I/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

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

FIGURE 11-7:
FIGURE 11-8:
TABLE 11-7:
© 2005 Microchip Technology Inc.
0Bh, 8Bh,
10Bh,18Bh
0Ch
18h
1Ah
8Ch
98h
99h
Legend:
Address
SDI/SDA/SEG8
SDI/SDA/SEG8
Note:
Note:
Load RSR
Load RSR
RC7/RX/DT/
RC7/RX/DT/
Read
Read
RCIF
RCIF
x = unknown, – = unimplemented locations read as ‘0’. Shaded cells are not used for asynchronous reception.
INTCON
PIR1
RCSTA
RCREG
PIE1
TXSTA
SPBRG
This timing diagram shows a data byte followed by an address byte. The data byte is not read into the RCREG (Receive Buffer)
because ADDEN was not updated and still = 0.
This timing diagram shows a data byte followed by an address byte. The data byte is not read into the RCREG (Receive Buffer)
because ADDEN = 1.
Name
REGISTERS ASSOCIATED WITH ASYNCHRONOUS RECEPTION
USART Receive Data Register
Baud Rate Generator Register
ASYNCHRONOUS RECEPTION WITH ADDRESS DETECT
Start
ASYNCHRONOUS RECEPTION WITH ADDRESS BYTE FIRST
Start
bit
CSRC
SPEN
bit
EEIF
EEIE
Bit 7
GIE
bit 0
bit 0
bit 8 = 1, Address Byte
PEIE
ADIF
ADIE
Bit 6
bit 8 = 0, Data Byte
RX9
TX9
bit 1
bit 1
SREN
TXEN
RCIE
RCIF
Bit 5
T0IE
bit 8
bit 8
CREN ADDEN
SYNC
INTE
Bit 4
TXIF
TXIE
Preliminary
Stop
Stop
bit
bit
Start
SSPIE
Start
SSPIF
bit
RBIE
Bit 3
bit
—
bit 8 = 1, Address Byte
bit 8 = 0, Data Byte
bit 0
bit 0
CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
BRGH
FERR
Bit 2
T0IF
bit 8
bit 8
OERR
TRMT
INTF
Bit 1
Stop
Stop
bit
bit
Word 1
RCREG
Word 1
RCREG
RX9D
TX9D
RBIF
Bit 0
PIC16F946
0000 000x 0000 000x
0000 000x 0000 000x
0000 0000 0000 0000
0000 -010 0000 -010
0000 0000 0000 0000
POR, BOR
Value on:
DS41265A-page 143
Value on
all other
Resets