PIC18F87K90-E/PT Microchip Technology, PIC18F87K90-E/PT Datasheet - Page 531

• 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 31-9:
TABLE 31-12: TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
 2009-2011 Microchip Technology Inc.
Param
40
41
42
45
46
47
48
No.
T
T
T
T
T
T
F
T
Note:
CKE
SOSCO/T1CKI
Symbol
T
T
T
T
T
T
T
0H
0L
0P
1H
1L
1P
1
2
TMR
TMR0 or
T0CKI
TMR1
I Delay from External T1CKI Clock Edge to
Refer to
T0CKI High Pulse Width
T0CKI Low Pulse Width
T0CKI Period
T1CKI High
Time
T1CKI Low
Time
T1CKI Input
Period
T1CKI Oscillator Input Frequency Range
Timer Increment
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
Figure 31-3
Synchronous, no prescaler
Synchronous, with prescaler
Asynchronous
Synchronous, no prescaler
Synchronous, with prescaler
Asynchronous
Synchronous
Asynchronous
Characteristic
for load conditions.
40
45
No prescaler
With prescaler
No prescaler
With prescaler
No prescaler
With prescaler
PIC18F87K90 FAMILY
42
47
0.5 T
0.5 T
(T
0.5 T
(T
0.5 T
Greater of:
Greater of:
41
T
CY
46
20 ns or
20 ns or
CY
2 T
CY
Min
DC
CY
10
CY
10
CY
10
30
10
30
60
+ 40)/N
+ 40)/N
CY
OSC
+ 10
+ 20
+ 20
+ 20
+ 5
7 T
Max
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
OSC
48
Units
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
—
DS39957D-page 531
N = prescale
value
(1, 2, 4,..., 256)
N = prescale
value
(1, 2, 4, 8)
Conditions