PIC18F85J50T-I/PT Microchip Technology, PIC18F85J50T-I/PT Datasheet - Page 320
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PIC18F85J50T-I/PT
Manufacturer Part Number
PIC18F85J50T-I/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,64PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F65J50-IPT.pdf
(480 pages)
3.PIC18F65J50-IPT.pdf
(16 pages)
Specifications of PIC18F85J50T-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
65
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TFQFP
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3904 B
Interface Type
I2C, MSSP, SPI, EUSART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
65
Number Of Timers
5
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, DV164136, DM183022, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162087 - HEADER MPLAB ICD2 18F87J50 68/84MA180021 - MODULE PLUG-IN 18F87J50 FS USBAC164328 - MODULE SKT FOR 80TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
PIC18F85J50T-I/PTTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F85J50T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 320 of 480
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PIC18F87J50 FAMILY
The BDnSTAT byte of the BDT should always be the
last byte updated when preparing to arm an endpoint.
The SIE will clear the UOWN bit when a transaction
has completed.
No hardware mechanism exists to block access when
the UOWN bit is set. Thus, unexpected behavior can
occur if the microcontroller attempts to modify memory
when the SIE owns it. Similarly, reading such memory
may produce inaccurate data until the USB peripheral
returns ownership to the microcontroller.
22.4.1.2
When UOWN = 0, the microcontroller core owns the
BD. At this point, the other seven bits of the register
take on control functions.
The
(BDnSTAT<3>), controls data toggle parity checking.
Setting DTSEN enables data toggle synchronization by
the SIE. When enabled, it checks the data packet’s par-
ity against the value of DTS (BDnSTAT<6>). If a packet
arrives with an incorrect synchronization, the data will
essentially be ignored. It will not be written to the USB
RAM and the USB transfer complete interrupt flag will
not be set. The SIE will send an ACK token back to the
host to Acknowledge receipt, however. The effects of
the DTSEN bit on the SIE are summarized in
Table 22-1.
TABLE 22-1:
DS39775C-page 320
DATA0
DATA1
DATA0
DATA1
Either
Either, with error
Legend: x = don’t care
OUT Packet
from Host
Data
BDnSTAT Register (CPU Mode)
Toggle
EFFECT OF DTSEN BIT ON ODD/EVEN (DATA0/DATA1) PACKET RECEPTION
Sync
DTSEN
BDnSTAT Settings
1
1
1
1
0
x
Enable
DTS
0
0
1
1
x
x
bit,
DTSEN
Handshake
ACK
ACK
ACK
ACK
ACK
NAK
Device Response after Receiving Packet
UOWN
The Buffer Stall bit, BSTALL (BDnSTAT<2>), provides
support for control transfers, usually one-time stalls on
Endpoint 0. It also provides support for the
SET_FEATURE/CLEAR_FEATURE commands speci-
fied in Chapter 9 of the USB specification; typically,
continuous STALLs to any endpoint other than the
default control endpoint.
The BSTALL bit enables buffer stalls. Setting BSTALL
causes the SIE to return a STALL token to the host if a
received token would use the BD in that location. The
EPSTALL bit in the corresponding UEPn control regis-
ter is set and a STALL interrupt is generated when a
STALL is issued to the host. The UOWN bit remains set
and the BDs are not changed unless a SETUP token is
received. In this case, the STALL condition is cleared
and the ownership of the BD is returned to the
microcontroller core.
The BD9:BD8 bits (BDnSTAT<1:0>) store the two most
significant digits of the SIE byte count; the lower 8 digits
are stored in the corresponding BDnCNT register. See
Section 22.4.2
information.
0
1
1
0
0
1
TRNIF
1
0
0
1
1
0
“BD
BDnSTAT and USTAT Status
© 2009 Microchip Technology Inc.
Byte
Not Updated
Not Updated
Not Updated
Updated
Updated
Updated
Count”
for
more
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