PIC18F2550-I/SP Microchip Technology Inc., PIC18F2550-I/SP Datasheet - Page 155

• Manufacturer Part Number: PIC18F2550-I/SP
• Description: Microcontroller; 32 KB Flash; 2048 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2550-I/SP

• A/d Inputs: 10-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 12 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 23
• Interface: I2C/SPI/USART/USB
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 32K Bytes
• Ram Size: 2K Bytes
• Speed: 48 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 16-2:
FIGURE 16-3:
© 2006 Microchip Technology Inc.
Relationships:
• Period = 4 * T
• Duty Cycle = T
• Delay = 4 * T
Note 1: Dead-band delay is programmed using the ECCP1DEL register (Section 16.4.6 “Programmable Dead-Band Delay”).
00
10
01
11
00
10
01
11
(Single Output)
(Single Output)
CCP1CON
CCP1CON
(Half-Bridge)
(Full-Bridge,
(Full-Bridge,
(Half-Bridge)
(Full-Bridge,
(Full-Bridge,
Reverse)
Forward)
Reverse)
<7:6>
Forward)
<7:6>
OSC
OSC
OSC
* (ECCP1DEL<6:0>)
* (PR2 + 1) * (TMR2 Prescale Value)
PWM OUTPUT RELATIONSHIPS (ACTIVE-HIGH STATE)
PWM OUTPUT RELATIONSHIPS (ACTIVE-LOW STATE)
* (CCPR1L<7:0>:CCP1CON<5:4>) * (TMR2 Prescale Value)
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
SIGNAL
SIGNAL
PIC18F2455/2550/4455/4550
Preliminary
0
0
Delay
Delay
(1)
(1)
Cycle
Cycle
Duty
Duty
Delay
Delay
Period
Period
(1)
(1)
DS39632C-page 153
PR2 + 1
PR2 + 1