參數(shù)資料
型號: 16F630
廠商: Microchip Technology Inc.
英文描述: 14-Pin FLASH-Based 8-Bit CMOS Microcontrollers
中文描述: 14引腳基于閃存的8位CMOS微控制器
文件頁數(shù): 34/132頁
文件大?。?/td> 2651K
代理商: 16F630
PIC16F630/676
DS40039C-page 32
2003 Microchip Technology Inc.
5.0
TIMER1 MODULE WITH GATE
CONTROL
The PIC16F630/676 devices have a 16-bit timer.
Figure 5-1 shows the basic block diagram of the Timer1
module. Timer1 has the following features:
16-bit timer/counter (TMR1H:TMR1L)
Readable and writable
Internal or external clock selection
Synchronous or asynchronous operation
Interrupt on overflow from FFFFh to 0000h
Wake-up upon overflow (Asynchronous mode)
Optional external enable input (T1G)
Optional LP oscillator
The Timer1 Control register (T1CON), shown in
Register 5-1, is used to enable/disable Timer1 and
select the various features of the Timer1 module.
FIGURE 5-1:
TIMER1 BLOCK DIAGRAM
Note:
Additional information on timer modules is
available in the PICmicro
TM
Mid-Range
Reference Manual, (DS33023).
TMR1H
TMR1L
LP Oscillator
T1SYNC
TMR1CS
T1CKPS<1:0>
SLEEP Input
F
OSC
/4
Internal
Clock
Prescaler
1, 2, 4, 8
Synchronize
Detect
1
0
0
1
Synchronized
Clock Input
2
OSC1
OSC2
Set Flag bit
TMR1IF on
Overflow
TMR1
TMR1ON
TMR1GE
TMR1ON
TMR1GE
INTOSC
w/o CLKOUT
T1OSCEN
LP
T1G
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