PIC16F914-I/PT Microchip Technology, PIC16F914-I/PT Datasheet - Page 54

• Manufacturer Part Number: PIC16F914-I/PT
• Description: IC PIC MCU FLASH 4KX14 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F914-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 44-TQFP, 44-VQFP
• 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: 35
• Eeprom Size: 256 x 8
• Ram Size: 256 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
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SSP/I2C/AUSART/SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 35
• Number Of Timers: 3
• Operating Supply Voltage: 2 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: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164120, DM163029
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F91X
4.1.1.8
Figure 4-8 shows the diagram for this pin. The
RA7/OSC1/CLKI/T1OSI pin is configurable to function
as one of the following:
• a general purpose I/O
• a crystal/resonator connection
• a clock input
• a TMR1 oscillator connection
FIGURE 4-8:
TABLE 4-1:
DS41250B-page 52
Address
05h
10h
14h
1Fh
81h/181h OPTION_REG
85h
91h
9Ch
107h
11Ch
11Dh
Legend:
Note
1:
F
WR PORTA
OSC
Name
PORTA
T1CON
SSPCON
ADCON0
TRISA
ANSEL
CMCON0
LCDCON
LCDSE0
LCDSE1
WR TRISA
Data Bus
x = unknown, u = unchanged, — = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
This register is only initialized by a POR or BOR reset and is unchanged by other Resets.
= 10x
RA7/OSC1/CLKI/T1OSI
(1)
(1)
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
BLOCK DIAGRAM OF RA7/OSC1/CLKI/T1OSI
T1GINV
TRISA7
C2OUT
LCDEN
WCOL
ADFM
RBPU
ANS7
SE15
Bit 7
RA7
SE7
RD PORTA
TRIS Latch
D
D
Data Latch
CK
CK
RD TRISA
INTEDG
TRISA6
SSPOV
VCFG1
C1OUT
SLPEN
T1GE
ANS6
SE14
Bit 6
RA6
SE6
Q
Q
Q
Q
From OSC1
T1CKPS1 T1CKPS0 T1OSCEN T1SYNC
TRISA5
SSPEN
VCFG0
C2INV
WERR
ANS5
T0CS
SE13
Bit 5
RA5
SE5
VLCDEN
TRISA4
C1INV
CHS2
T0SE
ANS4
Preliminary
SE12
Bit 4
CKP
RA4
SE4
Oscillator
Circuit
SSPM3
TRISA3
CHS1
ANS3
SE11
Bit 3
PSA
RA3
CS1
SE3
CIS
TRISA2
SSPM2
CHS0
ANS2
SE10
Bit 2
CM2
RA2
PS2
CS0
SE2
Q
F
Input Buffer
OSC
EN
F
OSC
GO/DONE
TTL
TMR1CS
TRISA1
SSPM1
LMUX1
D
ANS1
Bit 1
CM1
RA1
= 10x
PS1
SE1
SE9
= 011
TMR1ON 0000 0000 uuuu uuuu
 2004 Microchip Technology Inc.
TRISA0
SSPM0
LMUX0
ADON
ANS0
Bit 0
CM0
RA0
PS0
SE0
SE8
V
DD
xxxx xxxx uuuu uuuu
0000 0000 0000 0000
0000 0000 0000 0000
1111 1111 1111 1111
1111 1111 1111 1111
1111 1111 1111 1111
0000 0000 0000 0000
0001 0011 0001 0011
0000 0000 uuuu uuuu
0000 0000 uuuu uuuu
POR, BOR
Value on:
RA7/OSC1/
CLKI/T1OSI
Pin
Value on all
Resets
other