PIC16F946-E/PT Microchip Technology, PIC16F946-E/PT Datasheet - Page 15

• Manufacturer Part Number: PIC16F946-E/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946-E/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 ~ 125°C
• Package / Case: 64-TFQFP
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 352 B
• Interface Type: SSP, I2C, AUSART, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 3
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, MA160011
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / Rohs Status: Details

TABLE 2-1:
© 2005 Microchip Technology Inc.
Bank 0
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
Legend:
Note
Addr
(2)
(2)
(2)
1:
INDF
TMR0
PCL
STATUS
FSR
PORTA
PORTB
PORTC
PORTD
PORTE
PCLATH
INTCON
PIR1
PIR2
TMR1L
TMR1H
T1CON
TMR2
T2CON
SSPBUF
SSPCON
CCPR1L
CCPR1H
CCP1CON
RCSTA
TXREG
RCREG
CCPR2L
CCPR2H
CCP2CON
ADRESH
ADCON0
Name
– = Unimplemented locations read as ‘0’, u = unchanged, x = unknown, q = value depends on condition, shaded = unimplemented
Other (non Power-up) Resets include MCLR Reset and Watchdog Timer Reset during normal operation.
Addressing this location uses contents of FSR to address data memory (not a physical register)
Timer0 Module Register
Program Counter’s (PC) Least Significant Byte
Indirect Data Memory Address Pointer
Holding Register for the Least Significant Byte of the 16-bit TMR1
Holding Register for the Most Significant Byte of the 16-bit TMR1
Timer2 Module Register
Synchronous Serial Port Receive Buffer/Transmit Register
Capture/Compare/PWM Register 1 (LSB)
Capture/Compare/PWM Register 1 (MSB)
USART Transmit Data Register
USART Receive Data Register
Capture/Compare/PWM Register 2 (LSB)
Capture/Compare/PWM Register 2 (MSB)
A/D Result Register High Byte
PIC16F946 SPECIAL REGISTERS SUMMARY BANK 0
T1GINV
OSFIF
WCOL
ADFM
SPEN
Bit 7
EEIF
RA7
RB7
RC7
RD7
RE7
GIE
IRP
—
—
—
—
TOUTPS3 TOUTPS2
SSPOV
VCFG1
T1GE
Bit 6
PEIE
ADIF
C2IF
RP1
RA6
RB6
RC6
RD6
RE6
RX9
—
—
—
T1CKPS1
SSPEN
CCP1X
CCP2X
VCFG0
SREN
RCIF
Bit 5
T0IE
C1IF
RP0
RA5
RB5
RC5
RD5
RE5
—
Write Buffer for upper 5 bits of Program Counter
TOUTPS1
T1CKPS0
CCP1Y
CCP2Y
LCDIF
CREN
CHS2
Bit 4
INTE
TXIF
RC4
RD4
CKP
RA4
RB4
RE4
TO
Preliminary
T1OSCEN
TOUTPS0 TMR2ON
CCP1M3
CCP2M3
ADDEN
SSPM3
SSPIF
CHS1
RBIE
Bit 3
RA3
RB3
RC3
RD3
RE3
PD
—
T1SYNC
CCP1M2
CCP2M2
CCP1IF
SSPM2
LVDIF
FERR
CHS0
Bit 2
RC2
RD2
T0IF
RA2
RB2
RE2
Z
GO/DONE
T2CKPS1
TMR1CS
CCP1M1
CCP2M1
TMR2IF
SSPM1
OERR
Bit 1
INTF
RA1
RB1
RC1
RD1
RE1
DC
—
T2CKPS0
TMR1ON
CCP1M0
CCP2M0
TMR1IF
CCP2IF
SSPM0
ADON
RX9D
RBIF
Bit 0
RC0
RD0
RA0
RB0
RE0
C
PIC16F946
xxxx xxxx
xxxx xxxx
0000 0000
0001 1xxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
---0 0000
0000 000x
0000 0000
0000 -0-0
xxxx xxxx
xxxx xxxx
0000 0000
0000 0000
-000 0000
xxxx xxxx
0000 0000
xxxx xxxx
xxxx xxxx
--00 0000
0000 000x
0000 0000
0000 0000
xxxx xxxx
xxxx xxxx
--00 0000
xxxx xxxx
0000 0000
POR/BOR
Value on
Reset
DS41265A-page 13
xxxx xxxx
uuuu uuuu
0000 0000
000q quuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
---0 0000
0000 000x
0000 0000
0000 -0-0
uuuu uuuu
uuuu uuuu
uuuu uuuu
0000 0000
-000 0000
uuuu uuuu
0000 0000
uuuu uuuu
uuuu uuuu
--00 0000
0000 000x
0000 0000
0000 0000
uuuu uuuu
uuuu uuuu
--00 0000
uuuu uuuu
0000 0000
Resets
Value on
all other
(1)