PIC16F627A-I/P Microchip Technology Inc., PIC16F627A-I/P Datasheet - Page 43

• Manufacturer Part Number: PIC16F627A-I/P
• Description: 18 PIN, 1.75 KB FLASH, 224 RAM, 16 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F627A-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 16
• Interface: SCI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin PDIP
• Programmable Memory: 1.75K 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

TABLE 5-3:
TABLE 5-4:
 2003 Microchip Technology Inc.
RB0/INT
RB1/RX/DT
RB2/TX/CK
RB3/CCP1
RB4/PGM
RB5
RB6/T1OSO/T1CKI/
PGC
RB7/T1OSI/PGD
Legend:
06h, 106h PORTB
86h, 186h TRISB
81h, 181h OPTION
Legend: u = unchanged, x = unknown
Note 1: Shaded bits are not used by PORTB.
Address
Name
TTL = TTL Input
— = Not used
O = Output
Name
PORTB FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
TRISB7
RBPU
Function Input Type
Bit 7
RB7
T1OSO
T1CKI
T1OSI
CCP1
PGM
PGC
PGD
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
INT
RX
DT
CK
TX
INTEDG
TRISB6
Bit 6
RB6
XTAL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
TRISB5 TRISB4 TRISB3 TRISB2 TRISB1 TRISB0 1111 1111 1111 1111
T0CS
Bit 5
RB5
CMOS = CMOS Output
I
OD
Output
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
Bit 4
T0SE
Preliminary
XTAL
= Input
= Open Drain Output
RB4
Type
—
—
—
—
—
—
Bit 3
RB3
PSA
Bi-directional I/O port. Can be software programmed for
internal weak pull-up.
External interrupt.
Bi-directional I/O port. Can be software programmed for
internal weak pull-up.
USART Receive Pin
Synchronous data I/O
Bi-directional I/O port
USART Transmit Pin
Synchronous Clock I/O. Can be software programmed
for internal weak pull-up.
Bi-directional I/O port. Can be software programmed for
internal weak pull-up.
Capture/Compare/PWM/I/O
Bi-directional I/O port. Can be software programmed for
internal weak pull-up.
Low voltage programming input pin. Interrupt-on-pin
change. When low voltage programming is enabled, the
interrupt-on-pin change and weak pull-up resistor are
disabled.
Bi-directional I/O port. Interrupt-on-pin change. Can be
software programmed for internal weak pull-up.
Bi-directional I/O port. Interrupt-on-pin change. Can be
software programmed for internal weak pull-up.
Timer1 Oscillator Output
Timer1 Clock Input
ICSP Programming Clock
Bi-directional I/O port. Interrupt-on-pin change. Can be
software programmed for internal weak pull-up.
Timer1 Oscillator Input
ICSP Data I/O
Bit 2
RB2
PS2
Bit 1
RB1
PS1
Description
P
ST = Schmitt Trigger Input
AN = Analog
(1)
Bit 0
RB0
PS0
= Power
PIC16F62X
xxxx xxxx uuuu uuuu
1111 1111 1111 1111
Value on
POR
DS40300C-page 41
All Other
Value on
RESETS