PIC18F85J50T-I/PT Microchip Technology, PIC18F85J50T-I/PT Datasheet - Page 241
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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: 241 of 480
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19.3.9
In SPI Master mode, module clocks may be operating
at a different speed than when in full power mode; in
the case of the Sleep mode, all clocks are halted.
In Idle modes, a clock is provided to the peripherals.
That clock can be from the primary clock source, the
secondary clock (Timer1 oscillator) or the INTOSC
source. See Section 2.4 “Clock Sources and
Oscillator Switching” for additional information.
In most cases, the speed that the master clocks SPI
data is not important; however, this should be
evaluated for each system.
If MSSP interrupts are enabled, they can wake the con-
troller from Sleep mode, or one of the Idle modes, when
the master completes sending data. If an exit from
Sleep or Idle mode is not desired, MSSP interrupts
should be disabled.
If the Sleep mode is selected, all module clocks are
halted and the transmission/reception will remain in
that state until the device wakes. After the device
returns to Run mode, the module will resume
transmitting and receiving data.
In SPI Slave mode, the SPI Transmit/Receive Shift
register operates asynchronously to the device. This
allows the device to be placed in any power-managed
mode and data to be shifted into the SPI Trans-
mit/Receive Shift register. When all 8 bits have been
received, the MSSP interrupt flag bit will be set and if
enabled, will wake the device.
19.3.10
A Reset disables the MSSP module and terminates the
current transfer.
© 2009 Microchip Technology Inc.
OPERATION IN POWER-MANAGED
MODES
EFFECTS OF A RESET
PIC18F87J50 FAMILY
19.3.11
Table 19-1 shows the compatibility between the
standard SPI modes and the states of the CKP and
CKE control bits.
TABLE 19-1:
There is also an SMP bit which controls when the data
is sampled.
19.3.12
Because MSSP1 and MSSP2 are independent
modules, they can operate simultaneously at different
data rates. Setting the SSPM3:SSPM0 bits of the
SSPxCON1 register determines the rate for the
corresponding module.
An exception is when both modules use Timer2 as a
time base in Master mode. In this instance, any
changes to the Timer2 module’s operation will affect
both MSSP modules equally. If different bit rates are
required for each module, the user should select one of
the other three time base options for one of the
modules.
Standard SPI Mode
Terminology
0, 0
0, 1
1, 0
1, 1
BUS MODE COMPATIBILITY
SPI CLOCK SPEED AND MODULE
INTERACTIONS
SPI BUS MODES
CKP
Control Bits State
0
0
1
1
DS39775C-page 241
CKE
1
0
1
0
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