參數(shù)資料
型號: R5F56218BDFP#V0
廠商: Renesas Electronics America
文件頁數(shù): 44/148頁
文件大?。?/td> 0K
描述: MCU 32BIT FLASH 512KROM 100LQFP
產(chǎn)品培訓模塊: RX Compare Match Timer
RX DMAC
標準包裝: 1
系列: RX600
核心處理器: RX
芯體尺寸: 32-位
速度: 100MHz
連通性: CAN,EBI/EMI,I²C,SCI,SPI,USB
外圍設(shè)備: DMA,LVD,POR,PWM,WDT
輸入/輸出數(shù): 72
程序存儲器容量: 512KB(512K x 8)
程序存儲器類型: 閃存
RAM 容量: 96K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10/12b,D/A 1x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
PIC18F6520/8520/6620/8620/6720/8720
DS39609B-page 136
2004 Microchip Technology Inc.
12.1
Timer1 Operation
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>).
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
FIGURE 12-1:
TIMER1 BLOCK DIAGRAM
FIGURE 12-2:
TIMER1 BLOCK DIAGRAM: 16-BIT READ/WRITE MODE
TMR1H
TMR1L
T1SYNC
TMR1CS
T1CKPS1:T1CKPS0
Sleep Input
FOSC/4
Internal
Clock
TMR1ON
On/Off
Prescaler
1, 2, 4, 8
Synchronize
det
1
0
1
Synchronized
Clock Input
2
TMR1IF
Overflow
TMR1
CLR
CCP Special Event Trigger
T1OSCEN
Enable
Oscillator(1)
T1OSC
Interrupt
Flag Bit
Note 1: When enable bit T1OSCEN is cleared, the inverter and feedback resistor are turned off. This eliminates power drain.
T1OSI
T1OSO/T13CKI
Timer 1
TMR1L
T1OSC
T1SYNC
TMR1CS
T1CKPS1:T1CKPS0
Sleep Input
T1OSCEN
Enable
Oscillator(1)
TMR1IF
Overflow
Interrupt
FOSC/4
Internal
Clock
TMR1ON
On/Off
Prescaler
1, 2, 4, 8
Synchronize
det
1
0
1
Synchronized
Clock Input
2
T1OSO/T13CKI
T1OSI
TMR1
Flag bit
Note 1: When enable bit T1OSCEN is cleared, the inverter and feedback resistor are turned off. This eliminates power drain.
High Byte
Data Bus<7:0>
8
TMR1H
8
Read TMR1L
Write TMR1L
CLR
CCP Special Event Trigger
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