PIC16F628A-I/P Microchip Technology Inc., PIC16F628A-I/P Datasheet - Page 84

• Manufacturer Part Number: PIC16F628A-I/P
• Description: 18 PIN, 3.5 KB FLASH, 224 RAM, 16 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F628A-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 16
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin PDIP
• Programmable Memory: 3.5K Bytes
• Ram Size: 224 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F62X
TABLE 12-9:
FIGURE 12-12:
FIGURE 12-13:
DS40300C-page 82
0Ch
18h
19h
8Ch
98h
99h
Legend: x = unknown, - = unimplemented, read as '0'. Shaded cells are not used for Synchronous Master Transmission.
RB1/RX/DT Pin
RB2/TX/CK Pin
Address
TXREG REG
(Interrupt Flag)
Note
WRITE to
TRMT Bit
TXEN Bit
TXIF Bit
RB1/RX/DT pin
RB2/TX/CK pin
TRMT
1:
PIR1
RCSTA
TXREG USART Transmit Register
PIE1
TXSTA
SPBRG Baud Rate Generator Register
Name
TXREG reg
Q1Q2 Q3Q4 Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2 Q3Q4
'1'
Sync Master mode; SPBRG = ‘0’. Continuous transmission of two 8-bit words.
TRMT bit
TXEN bit
TXIF bit
Write to
REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
Write WORD1
CSRC
SPEN
Bit 7
EEIF
EEIE
SYNCHRONOUS TRANSMISSION
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
CMIE
CMIF
Bit 6
Bit 0
RX9
TX9
Write WORD2
SREN CREN
TXEN SYNC
RCIF
RCIE
Bit 5
WORD 1
Bit 1
Bit0
Bit 4
TXIE
TXIF
Bit 2
Preliminary
ADEN
Bit 3
Bit1
—
—
—
Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4
CCP1IF TMR2IF TMR1IF 0000 -000
CCP1IE TMR2IE TMR1IE 0000 -000
BRGH
FERR
Bit 2
Bit2
Bit 7
OERR
TRMT
Bit 1
Bit 0
WORD 2
RX9D
TX9D
Bit 1
Bit 0
Bit6
 2003 Microchip Technology Inc.
0000 -00x
0000 0000
0000 -010
0000 0000
Value on
POR
Bit7
Value on all
0000 -000
0000 -00x
0000 0000
0000 -000
0000 -010
0000 0000
RESETS
other
Bit 7
'1'