PIC18F66J90-I/PT Microchip Technology, PIC18F66J90-I/PT Datasheet - Page 244
![IC PIC MCU FLASH 64KB 64-TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F66J90-I/PT
Manufacturer Part Number
PIC18F66J90-I/PT
Description
IC PIC MCU FLASH 64KB 64-TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F67J90-IPT.pdf
(450 pages)
2.PIC18F67J90-IPT.pdf
(3 pages)
3.PIC18F67J90-IPT.pdf
(10 pages)
4.PIC18F66J90-IPT.pdf
(444 pages)
Specifications of PIC18F66J90-I/PT
Program Memory Type
FLASH
Program Memory Size
64KB (32K x 16)
Package / Case
64-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
Number Of I /o
51
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
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3923 B
Interface Type
AUSART, EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
51
Number Of Timers
4
Operating Supply Voltage
2.65 V to 3.6 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, DV164136, DM163030
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162079 - HEADER MPLAB ICD2 18F85J90 64/80AC164328 - MODULE SKT FOR 80TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F66J90-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC18F87J90 FAMILY
17.4.12
An Acknowledge sequence is enabled by setting the
Acknowledge
(SSPCON2<4>). When this bit is set, the SCL pin is
pulled low and the contents of the Acknowledge data bit
are presented on the SDA pin. If the user wishes to gen-
erate an Acknowledge, then the ACKDT bit should be
cleared. If not, the user should set the ACKDT bit before
starting an Acknowledge sequence. The Baud Rate
Generator then counts for one rollover period (T
and the SCL pin is deasserted (pulled high). When the
SCL pin is sampled high (clock arbitration), the Baud
Rate Generator counts for T
pulled low. Following this, the ACKEN bit is automatically
cleared, the Baud Rate Generator is turned off and the
MSSP module then goes into Idle mode (Figure 17-25).
17.4.12.1
If the user writes the SSPBUF when an Acknowledge
sequence is in progress, then WCOL is set and the
contents of the buffer are unchanged (the write doesn’t
occur).
FIGURE 17-25:
FIGURE 17-26:
DS39933C-page 242
ACKNOWLEDGE SEQUENCE
TIMING
WCOL Status Flag
Note: T
SCL
SDA
Sequence
SSPIF
Note: T
SDA
SCL
Write to SSPCON2,
Falling edge of
Acknowledge sequence starts here,
BRG
ACKNOWLEDGE SEQUENCE WAVEFORM
BRG
STOP CONDITION RECEIVE OR TRANSMIT MODE
9th clock
= one Baud Rate Generator period.
= one Baud Rate Generator period.
ACK
BRG
the end of receive
set PEN
Enable
ACKEN = 1, ACKDT = 0
. The SCL pin is then
SSPIF set at
write to SSPCON2,
bit,
D0
8
T
T
BRG
BRG
SDA asserted low before rising edge of clock
to setup Stop condition
ACKEN
BRG
Preliminary
T
SCL brought high after T
BRG
)
Cleared in
software
T
BRG
P
ACK
SCL = 1 for T
after SDA sampled high. P bit (SSPSTAT<4>) is set.
T
BRG
17.4.13
A Stop bit is asserted on the SDA pin at the end of a
receive/transmit by setting the Stop Sequence Enable
bit,
receive/transmit, the SCL line is held low after the fall-
ing edge of the ninth clock. When the PEN bit is set, the
master will assert the SDA line low. When the SDA line
is sampled low, the Baud Rate Generator is reloaded
and counts down to 0. When the Baud Rate Generator
times out, the SCL pin will be brought high and one
T
SDA pin will be deasserted. When the SDA pin is
sampled high while SCL is high, the P bit
(SSPSTAT<4>) is set. A T
cleared and the SSPIF bit is set (Figure 17-26).
17.4.13.1
If the user writes the SSPBUF when a Stop sequence
is in progress, then the WCOL bit is set and the
contents of the buffer are unchanged (the write doesn’t
occur).
BRG
T
BRG
9
SSPIF set at the end
of Acknowledge sequence
PEN
(Baud Rate Generator rollover count) later, the
PEN bit (SSPCON2<2>) is cleared by
hardware and the SSPIF bit is set
BRG
BRG
, followed by SDA = 1 for T
STOP CONDITION TIMING
(SSPCON2<2>).
ACKEN automatically cleared
WCOL Status Flag
Cleared in
software
© 2009 Microchip Technology Inc.
BRG
At
BRG
later, the PEN bit is
the
end
of
a
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