PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 8

• Manufacturer Part Number: PIC16F946T-I/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946T-I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 336 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F946
FIGURE 1-1:
DS41265A-page 6
OSC1/CLKI
OSC2/CLKO
Comparators
Oscillator
Program
Internal
Block
Bus
Instruction Reg
Configuration
Decode and
Generation
Instruction
14
Program
8k x 14
Memory
Control
Flash
Timing
Timer0
CCP1
PIC16F946 BLOCK DIAGRAM
8
13
V
Program Memory Read
DD
8-Level Stack (13-bit)
Start-up Timer
Direct Addr
Watchdog
Brown-out
Program Counter
Power-up
Oscillator
Power-on
Timer1
CCP2
Reset
Reset
Timer
Timer
V
SS
(PRM)
7
Timer2
SSP
Preliminary
8
3
W Reg
ALU
336 x 8 bytes
Addr MUX
Registers
Data Bus
RAM
Status Reg
Addressable
File
FSR Reg
10-bit A/D
MUX
8
USART
9
RAM Addr
Indirect
Addr
8
PORTA
PORTB
PORTC
PORTD
PORTE
PORTF
PORTG
Data EEPROM
256 bytes
BOR
© 2005 Microchip Technology Inc.
RA0/AN0/C1-/SEG12
RA1/AN1/C2-/SEG7
RA2/AN2/C2+/V
RA3/AN3/C1+/V
RA4/C1OUT/T0CKI/SEG4
RA5/AN4
RA6/OSC2/CLKO/T1OSO
RA7/OSC1/CLKI/T1OSI
RB0/INT/SEG0
RB1/SEG1
RB2/SEG2
RB3/SEG3
RB4/COM0
RB5/COM1
RB6/ICSPCLK/ICDCK/SEG14
RB7/ICSPDAT/ICDDAT/SEG13
RD0/COM3
RD1
RD2/CCP2
RD3/SEG16
RD4/SEG17
RD5/SEG18
RD6/SEG19
RD7/SEG20
RE0/AN5/SEG21
RE1/AN6/SEG22
RE2/AN7/SEG23
RE3/MCLR/V
RE4/SEG24
RE5/SEG25
RE6/SEG26
RE7/SEG27
RC0/VLCD1
RC1/VLCD2
RC2/VLCD3
RC3/SEG6
RC4/T1G/SDO/SEG11
RC5/T1CKI/CCP1/SEG10
RC6/TX/CK/SCK/SCL/SEG9
RC7/RX/DT/SDI/SDA/SEG8
RF0/SEG32
RF1/SEG33
RF2/SEG34
RF3/SEG35
RF4/SEG28
RF5/SEG29
RF6/SEG30
RF7/SEG31
RG0/SEG36
RG1/SEG37
RG2/SEG38
RG3/SEG39
RG4/SEG40
RG5/SEG41
PLVD
/
C2OUT/SS/SEG5
PP
REF
REF
LCD
-/COM2
+/SEG15