PIC16LF819T-I/SO Microchip Technology, PIC16LF819T-I/SO Datasheet - Page 136
![IC MCU FLASH 2KX14 EEPROM 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC16LF819T-I/SO
Manufacturer Part Number
PIC16LF819T-I/SO
Description
IC MCU FLASH 2KX14 EEPROM 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16LF627A-IP.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC16F818-ISO.pdf
(8 pages)
4.PIC16F818-ISO.pdf
(8 pages)
5.PIC18F2450-ISO.pdf
(324 pages)
Specifications of PIC16LF819T-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF819T-I/SO
Manufacturer:
MITSUBISHI
Quantity:
330
Part Number:
PIC16LF819T-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16LF627A-IP PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F818-ISO PDF datasheet #4
- PIC18F2450-ISO PDF datasheet #5
- Current page: 136 of 324
- Download datasheet (6Mb)
PIC18F2450/4450
14.2.3
The USB Status register reports the transaction status
within the SIE. When the SIE issues a USB transfer
complete interrupt, USTAT should be read to determine
the status of the transfer. USTAT contains the transfer
endpoint number, direction and Ping-Pong Buffer
Pointer value (if used).
The USTAT register is actually a read window into a
four-byte status FIFO, maintained by the SIE. It allows
the microcontroller to process one transfer while the
SIE processes additional endpoints (Figure 14-4).
When the SIE completes using a buffer for reading or
writing data, it updates the USTAT register. If another
USB transfer is performed before a transaction
complete interrupt is serviced, the SIE will store the
status of the next transfer into the status FIFO.
REGISTER 14-3:
DS39760D-page 134
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6-3
bit 2
bit 1
bit 0
Note 1:
Note:
U-0
—
This bit is only valid for endpoints with available EVEN and ODD BD registers.
USB STATUS REGISTER (USTAT)
The data in the USB Status register is valid
only when the TRNIF interrupt flag is
asserted.
Unimplemented: Read as ‘0’
ENDP3:ENDP0: Encoded Number of Last Endpoint Activity bits
(represents the number of the BDT updated by the last USB transfer)
1111 = Endpoint 15
1110 = Endpoint 14
....
0001 = Endpoint 1
0000 = Endpoint 0
DIR: Last BD Direction Indicator bit
1 = The last transaction was an IN token
0 = The last transaction was an OUT or SETUP token
PPBI: Ping-Pong BD Pointer Indicator bit
1 = The last transaction was to the ODD BD bank
0 = The last transaction was to the EVEN BD bank
Unimplemented: Read as ‘0’
ENDP3
R-x
USTAT: USB STATUS REGISTER
W = Writable bit
‘1’ = Bit is set
ENDP2
R-x
ENDP1
R-x
(1)
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
ENDP0
Clearing the transfer complete flag bit, TRNIF, causes
the SIE to advance the FIFO. If the next data in the
FIFO holding register is valid, the SIE will reassert the
interrupt within 6 T
data is present, TRNIF will remain clear; USTAT data
will no longer be reliable.
FIGURE 14-4:
R-x
Note:
4-Byte FIFO
for USTAT
Data Bus
If an endpoint request is received while the
USTAT
automatically issue a NAK back to the
host.
DIR
R-x
USTAT from SIE
CY
of clearing TRNIF. If no additional
FIFO
USTAT FIFO
© 2008 Microchip Technology Inc.
x = Bit is unknown
is
PPBI
R-x
full,
(1)
Clearing TRNIF
Advances FIFO
the
SIE
U-0
—
bit 0
will
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