PIC18F87K90-E/PT Microchip Technology, PIC18F87K90-E/PT Datasheet - Page 57

• Manufacturer Part Number: PIC18F87K90-E/PT
• Description: 128kB Flash, 4kB RAM, 1kB EE, 16MIPS, NanoWatt XLP, LCD, 5V 80 TQFP 12x12x1mm TR
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F87K90-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 64MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 128KB (64K x 16)
• 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 24x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 80-TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 4-3:
FIGURE 4-4:
 2009-2011 Microchip Technology Inc.
LF-INTOSC
Note 1: Clock transition typically occurs within 2-4 T
Peripheral
Program
Counter
OSC1
Note1: T
Clock
Clock
Multiplexer
CPU Clock
CPU
PLL Clock
Peripheral
Program
INTOSC
Counter
Output
2: Clock transition typically occurs within 2-4 T
OSC1
Clock
Q1
OST
SCS<1:0> bits Changed
Q2
= 1024 T
TRANSITION TIMING TO RC_RUN MODE
TRANSITION TIMING FROM RC_RUN MODE TO PRI_RUN MODE
PC
Q3
Q4
OSC
; T
Q1
PLL
Q1
1
= 2 ms (approx). These intervals are not shown to scale.
T
OST
(1)
PC
2
Q2
Clock Transition
OSC
3
T
OSTS bit Set
.
Q3
PLL
OSC
(1)
.
(1)
PC + 2
n-1
Q4
PIC18F87K90 FAMILY
n
Q1
1
Transition
2
Clock
n-1 n
(2)
Q2
PC + 2
Q3
Q2
Q4
Q3 Q4
Q1
Q1
PC + 4
Q2
PC + 4
Q2
DS39957D-page 57
Q3
Q3