PIC16LF77-I/PT Microchip Technology, PIC16LF77-I/PT Datasheet - Page 64
![IC PIC MCU FLASH 8KX14 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC16LF77-I/PT
Manufacturer Part Number
PIC16LF77-I/PT
Description
IC PIC MCU FLASH 8KX14 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF77-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
PIC16LF77I/PT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF77-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC16F7X
FIGURE 9-1:
DS30325B-page 62
RC4/SDI/SDA
RC5/SDO
RA5/SS/AN4
RC3/SCK/
SCL
Peripheral OE
Read
SS Control
Select
TRISC<3>
Edge
bit0
Enable
Select
Edge
SSPBUF reg
SSP BLOCK DIAGRAM
(SPI MODE)
SSPM3:SSPM0
SSPSR reg
Clock Select
4
2
Write
Prescaler
4, 16, 64
Clock
Shift
TMR2 Output
Data Bus
Internal
2
T
CY
To enable the serial port, SSP enable bit, SSPEN
(SSPCON<5>) must be set. To reset or reconfigure SPI
mode, clear bit SSPEN, re-initialize the SSPCON reg-
ister, and then set bit SSPEN. This configures the SDI,
SDO, SCK, and SS pins as serial port pins. For the pins
to behave as the serial port function, they must have
their data direction bits (in the TRISC register) appro-
priately programmed. That is:
• SDI must have TRISC<4> set
• SDO must have TRISC<5> cleared
• SCK (Master mode) must have TRISC<3>
• SCK (Slave mode) must have TRISC<3> set
• SS must have TRISA<5> set and ADCON must
.
cleared
be configured such that RA5 is a digital I/O
Note 1: When the SPI is in Slave mode with SS pin
2: If the SPI is used in Slave mode with
3: When the SPI is in Slave mode with SS
control enabled (SSPCON<3:0> = 0100),
the SPI module will reset if the SS pin is set
to V
CKE = '1', then the SS pin control must be
enabled.
pin control enabled (SSPCON<3:0> =
‘0100’), the state of the SS pin can affect
the state read back from the TRISC<5>
bit. The Peripheral OE signal from the
SSP module into PORTC controls the
state that is read back from the
TRISC<5> bit (see Section 4.3 for infor-
mation on PORTC). If Read-Modify-Write
instructions, such as BSF are performed
on the TRISC register while the SS pin is
high, this will cause the TRISC<5> bit to
be set, thus disabling the SDO output.
DD
.
2002 Microchip Technology Inc.
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