PIC18F2320-I/SO Microchip Technology Inc., PIC18F2320-I/SO Datasheet - Page 205

• Manufacturer Part Number: PIC18F2320-I/SO
• Description: Microcontroller; 8 KB Flash; 512 RAM; 256 EEPROM; 25 I/O; 28-Pin-SOIC
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2320-I/SO

• A/d Inputs: 10-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 25
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SOIC
• Programmable Memory: 8K Bytes
• Ram Size: 512 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 18-2:
FIGURE 18-3:
TABLE 18-6:
 2003 Microchip Technology Inc.
INTCON GIE/GIEH PEIE/GIEL TMR0IE INT0IE
PIR1
PIE1
IPR1
RCSTA
TXREG USART Transmit Register
TXSTA
SPBRG Baud Rate Generator Register
Legend: x = unknown, - = unimplemented locations read as ‘0’. Shaded cells are not used for asynchronous transmission.
Note 1:
Name
(Interrupt Reg. Flag)
Note:
Reg. Empty Flag)
Reg. Empty Flag)
RC6/TX/CK (pin)
Reg. Empty Flag)
Write to TXREG
(Transmit Buffer
RC6/TX/CK (pin)
Write to TXREG
(Transmit Shift
(Transmit Shift
BRG Output
(Shift Clock)
BRG Output
(Shift Clock)
This timing diagram shows two consecutive transmissions.
TRMT bit
TRMT bit
TXIF bit
TXIF bit
The PSPIF, PSPIE and PSPIP bits are reserved on the PIC18F2X20 devices; always maintain these bits clear.
PSPIE
PSPIP
PSPIF
CSRC
SPEN
Bit 7
REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
(1)
(1)
(1)
ASYNCHRONOUS TRANSMISSION
ASYNCHRONOUS TRANSMISSION (BACK TO BACK)
1 T
Word 1
Transmit Shift Reg
CY
ADIE
ADIP
ADIF
Transmit Shift Reg.
Bit 6
Word 1
Word 1
RX9
TX9
Word 1
1 T
CY
SREN
Start bit
TXEN
Start bit
RCIF
RCIE
RCIP
Bit 5
Word 2
CREN ADDEN
SYNC
PIC18F2220/2320/4220/4320
1 T
Bit 4
TXIF
TXIE
TXIP
CY
bit 0
bit 0
SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
SSPIP CCP1IP TMR2IP TMR1IP 1111 1111 1111 1111
RBIE
Bit 3
—
bit 1
Word 1
bit 1
Word 1
TMR0IF INT0IF
BRGH
FERR
Bit 2
OERR
TRMT
Bit 1
bit 7/8
Word 2
Transmit Shift Reg.
bit 7/8
RX9D
TX9D
RBIF
Bit 0
Stop bit
Stop bit
0000 000x 0000 000u
0000 -00x 0000 -00x
0000 0000 0000 0000
0000 -010 0000 -010
0000 0000 0000 0000
POR, BOR
Value on
Start bit
DS39599C-page 203
Word 2
Value on
all other
Resets
bit 0