PIC18F6585-I/L Microchip Technology, PIC18F6585-I/L Datasheet - Page 162
PIC18F6585-I/L
Manufacturer Part Number
PIC18F6585-I/L
Description
Microcontrollers (MCU) 48KB 3328 RAM 52 I/O
Manufacturer
Microchip Technology
Datasheet
1.PCM18XK1.pdf
(496 pages)
Specifications of PIC18F6585-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
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, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
12-ch x 10-bit
Program Memory Type
Flash
Program Memory Size
48 KB
Package / Case
PLCC-68
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC18F6585/8585/6680/8680
12.1
Timer1 can operate in one of these modes:
• As a timer
• As a synchronous counter
• As an asynchronous counter
The operating mode is determined by the clock select
bit, TMR1CS (T1CON<1>).
FIGURE 12-1:
FIGURE 12-2:
DS30491C-page 160
Note 1: When enable bit T1OSCEN is cleared, the inverter and feedback resistor are turned off. This eliminates power drain.
Note 1: When enable bit T1OSCEN is cleared, the inverter and feedback resistor are turned off. This eliminates power drain.
T13CKI/T1OSO
T13CKI/T1OSO
Timer1 Operation
TMR1IF
Overflow
Interrupt
Flag bit
Data Bus<7:0>
Write TMR1L
Read TMR1L
T1OSI
TMR1IF
Overflow
Interrupt
Flag Bit
T1OSI
TIMER1 BLOCK DIAGRAM
TIMER1 BLOCK DIAGRAM: 16-BIT READ/WRITE MODE
8
T1OSC
T1OSC
High Byte
TMR1H
Timer 1
8
TMR1H
8
TMR1
Oscillator
Enable
TMR1
T1OSCEN
T1OSCEN
Enable
Oscillator
TMR1L
TMR1L
8
(1)
CLR
(1)
CLR
Clock
F
Internal
OSC
Clock
F
Internal
OSC
/4
TMR1ON
CCP Special Event Trigger
When TMR1CS = 0, Timer1 increments every instruc-
tion cycle. When TMR1CS = 1, Timer1 increments on
every rising edge of the external clock input or the
Timer1 oscillator if enabled.
When the Timer1 oscillator is enabled (T1OSCEN is
set), the RC1/T1OSI and RC0/T1OSO/T13CKI pins
become inputs. That is, the TRISC<1:0> value is
ignored and the pins are read as ‘0’.
Timer1 also has an internal “Reset input”. This Reset
can be generated by the CCP module (Section 15.0
“Capture/Compare/PWM (CCP) Modules”).
/4
On/Off
TMR1ON
CCP Special Event Trigger
TMR1CS
On/Off
TMR1CS
1
0
1
0
T1CKPS1:T1CKPS0
T1CKPS1:T1CKPS0
T1SYNC
Prescaler
1, 2, 4, 8
T1SYNC
Prescaler
1, 2, 4, 8
0
1
0
1
2
2
2004 Microchip Technology Inc.
Synchronized
Clock Input
Synchronized
Synchronize
Sleep Input
Clock Input
Synchronize
Sleep Input
det
det
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