PIC18F67K90-I/PTRSL Microchip Technology, PIC18F67K90-I/PTRSL Datasheet - Page 279
![MCU PIC 128K FLASH XLP 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F67K90-I/PTRSL
Manufacturer Part Number
PIC18F67K90-I/PTRSL
Description
MCU PIC 128K FLASH XLP 64TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18F67K90-I/PTRSL
Core Size
8-Bit
Program Memory Size
128KB (64K x 16)
Core Processor
PIC
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
Eeprom Memory Size
1024Byte
Ram Memory Size
3828Byte
Cpu Speed
16MIPS
No. Of Timers
11
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
I2C, SPI, EUSART
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
53
Number Of Timers
11
Operating Supply Voltage
1.8 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
DM163030, DM180021, DM183026-2, DM183032, DV164131, MA180027
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 16 Channel
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:
PIC18F67K90-I/PTRSL
Manufacturer:
Microchip Technology
Quantity:
10 000
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20.3
The LCD module can be configured in one of three bias
types:
• Static bias (two voltage levels: V
• 1/2 bias (three voltage levels: V
• 1/3 bias (four voltage levels: V
LCD bias voltages can be generated with an internal or
external resistor ladder. The internal resistor ladder
eliminates the external solution’s use of up to three
pins.
FIGURE 20-3:
2010 Microchip Technology Inc.
V
2/3 V
* These values are provided for design guidance only and should be optimized for the application by the designer.
AV
AV
AV
DD
DD
DD
DD
)
DD
*
*
*
LCD Bias Types
and V
LCD Bias 3
DD
10 k*
10 k*
)
LCD BIAS EXTERNAL RESISTOR LADDER CONNECTION DIAGRAM
LCD Bias 2
SS
10 k*
SS
SS
, 1/3 V
, 1/2 V
and V
DD
DD
DD
,
LCD Bias 1
and
)
10 k*
10 k*
Preliminary
VLCD3
VLCD2
VLCD1
VLCD0
PIC18F87K90 FAMILY
If the internal reference ladder is used to generate bias
voltages, it also can provide software contrast control
(using LCDCST<2:0>). An external resistor ladder can
not do this.
20.3.1
The external resistor ladder should be connected to the
VLCD1 pin (Bias 1), VLCD2 pin (Bias 2), VLCD3 pin
(Bias 3) and V
highest voltage to the LCD glass and can be connected
to V
Figure 20-3 shows the proper way to connect the
resistor ladder to the Bias pins.
Connections for External R-ladder
To
LCD
Driver
DD
AV
AV
or a lower voltage.
SS
SS
EXTERNAL RESISTOR BIASING
VLCD0
VLCD1
VLCD2
VLCD3
Static Bias
1/2 Bias
1/3 Bias
SS
. The VLCD3 pin is used to set the
Static
AV
AV
Bias
—
—
SS
DD
1/2 AV
1/2 AV
1/2 Bias 1/3 Bias
AV
AV
DS39957B-page 279
SS
DD
DD
DD
1/3 AV
2/3 AV
AV
AV
SS
DD
DD
DD
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