PIC16C781T-I/SO Microchip Technology, PIC16C781T-I/SO Datasheet - Page 39

• Manufacturer Part Number: PIC16C781T-I/SO
• Description: IC MCU CMOS 8BIT 1K 20MHZ 20SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C781T-I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 13
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: OTP
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x8b; D/A 1x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• For Use With: AC164028 - MODULE SKT PROMATEII 20SOIC/DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -
• Other names: PIC16C781TI/SO

FIGURE 3-9:
Data Bus
WR WPUB
RD WPUB
WR PORTB
WR TRISB
RD TRISB
WR ANSEL
RD ANSEL
WR IOCB
RD IOCB
RD PORTB
INT Input
Analog Function Enable
AN4/V
VREN
VROE
2001 Microchip Technology Inc.
R
PORTB Reg.
VREN & VROE
WPUB Reg.
ANSEL Reg.
TRIS Reg.
IOCB Reg.
D
D
CK
D
D
D
CK
CK
CK
CK
BLOCK DIAGRAM OF RB0/INT/AN4/V
0
0
0
1
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Set
RBIF
ANSEL<4>
...
0
0
1
x
From other
RB<7:0> pins
V
Q
R
Output
EN
Preliminary
TRISB<0>
EN
D
1
0
x
x
RBPU
FUNCTION
V
Analog Out
V
Digital Out
P
N
Analog In
Q
Digital In
R
SS
Q
DD
PIN
EN
EN
D
D
V
P
PIC16C781/782
DD
TTL
Weak
Pull-up
PORTB<0> READ
Q1
Q3
Pin
Pin
0
0
V
V
DD
SS
DS41171A-page 37
RB0/INT/AN4/V
R