PIC18F6680-I/L Microchip Technology, PIC18F6680-I/L Datasheet - Page 180

• Manufacturer Part Number: PIC18F6680-I/L
• Description: Microcontrollers (MCU) 64KB 3328 RAM 52 I/O
• Manufacturer: Microchip Technology

Specifications of PIC18F6680-I/L

• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3.25 KB
• Interface Type: I2C/SPI/AUSART/CAN
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 5
• Operating Supply Voltage: 4.2 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: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12-ch x 10-bit
• Program Memory Type: Flash
• Program Memory Size: 64 KB
• Package / Case: PLCC-68
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F6585/8585/6680/8680
TABLE 16-2:
FIGURE 16-2:
FIGURE 16-3:
DS30491C-page 178
Timer Prescaler (1, 4, 16)
PR2 Value
Maximum Resolution (bits)
Note
Note 1: Dead-band delay is programmed using the ECCP1DEL register (Section 16.2.6 “Programmable Dead-Band Delay”).
PWM Frequency
1:
2:
CCPR1H (Slave)
00
10
01
11
Duty Cycle Registers
Comparator
CCPR1L
The 8-bit timer TMR2 register is concatenated with the 2-bit internal Q clock or 2 bits of the prescaler to create the 10-bit time base.
Alternate setting controlled by the ECCPMX bit (PIC18F8X8X devices only).
PR2
(Single Output)
TMR2
CCP1CON
Comparator
(Half-Bridge)
(Full-Bridge,
(Full-Bridge,
Forward)
Reverse)
<7:6>
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS AT 40 MHz
PWM OUTPUT RELATIONSHIPS (ACTIVE-HIGH STATE)
(Note 1)
Clear Timer,
set CCP1 pin and
latch D.C.
SIMPLIFIED BLOCK DIAGRAM OF THE ENHANCED PWM MODULE
CCP1CON<5:4>
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
2.44 kHz
SIGNAL
FFh
16
10
R
S
P1M1<1:0>
Q
9.77 kHz
FFh
10
4
0
Delay
CCP1DEL
Controller
Output
2
CCP1/P1A
39.06 kHz
(1)
Cycle
FFh
P1C
P1D
Duty
P1B
10
1
4
CCP1M<3:0>
TRISC<2>
TRISE<6>
TRISE<5>
TRISG<4>
156.25 kHz
Delay
Period
3Fh
1
8
(1)
 2004 Microchip Technology Inc.
312.50 kHz
1Fh
RC2/CCP1/P1A
RE6/AD14/P1B or RH7
RE5/AD13/P1C or RH6
RG4/P1D
1
7
PR2 + 1
416.67 kHz
6.58
17h
1
(2)
(2)