PIC16F628-04I/SS Microchip Technology, PIC16F628-04I/SS Datasheet - Page 78

• Manufacturer Part Number: PIC16F628-04I/SS
• Description: IC MCU FLASH 2KX14 COMP 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F628-04I/SS

• Core Size: 8-Bit
• Program Memory Size: 3.5KB (2K x 14)
• Core Processor: PIC
• Speed: 4MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 224 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Controller Family/series: PIC16F
• No. Of I/o's: 16
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 224Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS-1 - SOCKET TRANSITION 18DIP 20SSOPAC164307 - MODULE SKT FOR PM3 28SSOPAC164018 - MODULE SKT PROMATEII 20SSOP
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F62X
FIGURE 12-7:
TABLE 12-6:
DS40300C-page 76
0Ch
18h
19h
8Ch
98h
99h
Legend: x = unknown, - = unimplemented locations read as '0'.
Address
TXIF bit
(interrupt reg. flag)
RB2/TX/CK (pin)
TRMT bit
(Transmit shift
reg. empty flag)
Write to TXREG
Note
BRG output
(shift clock)
Shaded cells are not used for Asynchronous Transmission.
PIR1
RCSTA
TXREG USART Transmit Register
PIE1
TXSTA
SPBRG Baud Rate Generator Register
Name
1:
This timing diagram shows two consecutive transmissions.
REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
.
CSRC
SPEN
ASYNCHRONOUS TRANSMISSION (BACK TO BACK)
EEIE
Bit 7
EEIF
Transmit Shift Reg.
WORD 1
WORD 1
CMIF
CMIE
Bit 6
RX9
TX9
START Bit
WORD 2
SREN
TXEN
RCIF
RCIE
Bit 5
CREN
SYNC
Bit 0
Bit 4
TXIF
TXIE
Preliminary
ADEN
Bit 3
—
—
—
Bit 1
WORD 1
CCP1IF
CCP1IE TMR2IE TMR1IE
BRGH
FERR
Bit 2
TMR2IF
OERR
TRMT
Bit 1
Bit 7/8
WORD 2
Transmit Shift Reg.
TMR1IF
RX9D
TX9D
Bit 0
 2003 Microchip Technology Inc.
STOP Bit
0000 -000
0000 -00x
0000 0000
0000 -000
0000 -010
0000 0000
Value on
POR
START Bit
WORD 2
0000 -000
0000 -00x
0000 0000
0000 -000
0000 -010
0000 0000
Value on
RESETS
all other
Bit 0