PIC18LF6720-I/PT Microchip Technology, PIC18LF6720-I/PT Datasheet - Page 162
![IC MCU FLASH 64KX16 LV 64-TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18LF6720-I/PT
Manufacturer Part Number
PIC18LF6720-I/PT
Description
IC MCU FLASH 64KX16 LV 64-TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F8520T-IPT.pdf
(380 pages)
3.PIC18F8520T-IPT.pdf
(40 pages)
4.PIC18F6620-IPT.pdf
(14 pages)
5.PIC18F6620-IPT.pdf
(12 pages)
Specifications of PIC18LF6720-I/PT
Program Memory Type
FLASH
Program Memory Size
128KB (64K x 16)
Package / Case
64-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
52
Eeprom Size
1K x 8
Ram Size
3.75K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3.75 KB
Interface Type
I2C/SPI/USART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
52
Number Of Timers
5
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, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM183032, DM183022
Minimum Operating Temperature
- 40 C
On-chip Adc
12-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF6720-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F8520T-IPT PDF datasheet #2
- PIC18F8520T-IPT PDF datasheet #3
- PIC18F6620-IPT PDF datasheet #4
- PIC18F6620-IPT PDF datasheet #5
- Current page: 162 of 380
- Download datasheet (7Mb)
PIC18F6520/8520/6620/8620/6720/8720
17.3.2
When initializing the SPI, several options need to be
specified. This is done by programming the appropriate
control bits (SSPCON1<5:0> and SSPSTAT<7:6>).
These control bits allow the following to be specified:
• Master mode (SCK is the clock output)
• Slave mode (SCK is the clock input)
• Clock Polarity (Idle state of SCK)
• Data input sample phase (middle or end of data
• Clock edge (output data on rising/falling edge of
• Clock Rate (Master mode only)
• Slave Select mode (Slave mode only)
The MSSP consists of a Transmit/Receive Shift Regis-
ter (SSPSR) and a Buffer register (SSPBUF). The
SSPSR shifts the data in and out of the device, MSb
first. The SSPBUF holds the data that was written to the
SSPSR until the received data is ready. Once the 8 bits
of data have been received, that byte is moved to the
SSPBUF register. Then, the Buffer Full detect bit, BF
(SSPSTAT<0>) and the interrupt flag bit, SSPIF, are
set. This double-buffering of the received data
(SSPBUF) allows the next byte to start reception before
EQUATION 17-1:
DS39609B-page 160
LOOP BTFSS SSPSTAT, BF
output time)
SCK)
BRA
MOVF
MOVWF RXDATA
MOVF
MOVWF SSPBUF
OPERATION
LOOP
SSPBUF, W
TXDATA, W
LOADING THE SSPBUF (SSPSR) REGISTER
;Has data been received (transmit complete)?
;No
;WREG reg = contents of SSPBUF
;Save in user RAM, if data is meaningful
;W reg = contents of TXDATA
;New data to transmit
reading the data that was just received. Any write to the
SSPBUF register during transmission/reception of data
will be ignored and the Write Collision detect bit, WCOL
(SSPCON1<7>), will be set. User software must clear
the WCOL bit so that it can be determined if the follow-
ing write(s) to the SSPBUF register completed
successfully.
When the application software is expecting to receive
valid data, the SSPBUF should be read before the next
byte of data to transfer is written to the SSPBUF. Buffer
Full bit, BF (SSPSTAT<0>), indicates when SSPBUF
has been loaded with the received data (transmission
is complete). When the SSPBUF is read, the BF bit is
cleared. This data may be irrelevant if the SPI is only a
transmitter. Generally, the MSSP interrupt is used to
determine when the transmission/reception has com-
pleted. The SSPBUF must be read and/or written. If the
interrupt method is not going to be used, then software
polling can be done to ensure that a write collision does
not occur. Example 17-1 shows the loading of the
SSPBUF (SSPSR) for data transmission.
The SSPSR is not directly readable or writable and can
only be accessed by addressing the SSPBUF register.
Additionally, the MSSP Status register (SSPSTAT)
indicates the various status conditions.
2004 Microchip Technology Inc.
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