PIC16C554-20I/SO Microchip Technology, PIC16C554-20I/SO Datasheet - Page 28

• Manufacturer Part Number: PIC16C554-20I/SO
• Description: IC MCU OTP 512X14 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C554-20I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Size: 896B (512 x 14)
• Program Memory Type: OTP
• Ram Size: 80 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 18-SOIC (7.5mm Width)
• Processor Series: PIC16C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 80 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 13
• Number Of Timers: 8
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

PIC16C55X
FIGURE 5-4:
TABLE 5-3:
TABLE 5-4:
DS40143D-page 26
RB0/INT
RB1
RB2
RB3
RB4
RB5
RB6
RB7
Legend:
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
06h
86h
81h
0BH, 8BH
Legend:
Note
Address
Name
Note
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
1:
x = unknown, u = unchanged
ST = Schmitt Trigger, TTL = TTL input
PORTB
TRISB
OPTION
INTCON
Shaded bits are not used by PORTB.
1:
Name
RB0/INT
TRISB = 1 enables weak pull-up if RBPU = ‘0’ (OPTION<7>).
WR TRISB
Data Bus
WR PORTB
Bit #
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
PORTB FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB AND TRISB
TRISB7
RBPU
BLOCK DIAGRAM OF RB3:RB0 PINS
Bit 7
RB7
GIE
Buffer Type
TTL/ST
TTL/ST
TTL/ST
RBPU
RD PORTB
RD TRISB
Data Latch
TRIS Latch
TTL
TTL
TTL
TTL
TTL
D
CK
Reserved
D
CK
INTEDG
TRISB6
Bit 6
RB6
(1)
(1)
(2)
(2)
Q
Q
Q
ST
Buffer
TRISB5
Bi-directional I/O port. Internal software programmable weak pull-up.
Bi-directional I/O port. Internal software programmable weak pull-up.
Bi-directional I/O port. Internal software programmable weak pull-up.
Bi-directional I/O port. Internal software programmable weak pull-up.
Bi-directional I/O port (with interrupt-on-change). Internal software programmable
weak pull-up.
Bi-directional I/O port (with interrupt-on-change). Internal software programmable
weak pull-up.
Bi-directional I/O port (with interrupt-on-change). Internal software programmable
weak pull-up. Serial programming clock pin.
Bi-directional I/O port (with interrupt-on-change). Internal software programmable
weak pull-up. Serial programming data pin.
T0CS
Bit 5
T0IE
RB5
Q
Latch
EN
TRISB4
Preliminary
D
T0SE
INTE
Bit 4
RB4
V
V
P
N
SS
DD
RD PORTB
TTL
Input
Buffer
TRISB3
BRIE
Bit 3
V
RB3
PSA
P
DD
ST
Buffer
weak
pull-up
TRISB2
Bit 2
T0IF
RB2
PS2
V
V
DD
SS
Function
TRISB1
I/O
pin
INTF
Bit 1
RB1
PS1
TRISB0
RBIF
Bit 0
RB0
PS0
 2002 Microchip Technology Inc.
xxxx xxxx
1111 1111
1111 1111
0000 000x
Value on
POR
uuuu uuuu
1111 1111
1111 1111
0000 000x
All Other
Value on
RESETS