參數(shù)資料
型號(hào): R5F56217BDFB#V0
廠商: Renesas Electronics America
文件頁數(shù): 53/148頁
文件大?。?/td> 0K
描述: MCU 32BIT FLASH 384KROM 144LQFP
產(chǎn)品培訓(xùn)模塊: RX Compare Match Timer
RX DMAC
標(biāo)準(zhǔn)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): 103
程序存儲(chǔ)器容量: 384KB(384K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 64K 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 2x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 144-LQFP
包裝: 托盤
2004 Microchip Technology Inc.
DS39609B-page 145
PIC18F6520/8520/6620/8620/6720/8720
14.2
Timer1 Oscillator
The Timer1 oscillator may be used as the clock source
for Timer3. The Timer1 oscillator is enabled by setting
the T1OSCEN (T1CON<3>) bit. The oscillator is a low-
power oscillator rated up to 200 kHz. See Section 12.0
“Timer1 Module” for further details.
14.3
Timer3 Interrupt
The TMR3 register pair (TMR3H:TMR3L) increments
from 0000h to FFFFh and rolls over to 0000h. The
TMR3 interrupt, if enabled, is generated on overflow,
which is
latched in interrupt
flag
bit, TMR3IF
(PIR2<1>). This interrupt can be enabled/disabled by
setting/clearing TMR3 Interrupt Enable bit, TMR3IE
(PIE2<1>).
14.4
Resetting Timer3 Using a CCP
Trigger Output
If the CCP module is configured in Compare mode
to
generate
a
“special
event
trigger”
(CCP1M3:CCP1M0 = 1011), this signal will reset
Timer3.
Timer3 must be configured for either Timer or Synchro-
nized Counter mode to take advantage of this feature.
If Timer3 is running in Asynchronous Counter mode,
this Reset operation may not work. In the event that a
write to Timer3 coincides with a special event trigger
from CCP1, the write will take precedence. In this mode
of operation, the CCPR1H:CCPR1L register pair
effectively becomes the period register for Timer3.
TABLE 14-1:
REGISTERS ASSOCIATED WITH TIMER3 AS A TIMER/COUNTER
Note:
The special event triggers from the CCP
module will not set interrupt flag bit,
TMR3IF (PIR1<0>).
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
all other
Resets
INTCON
GIE/GIEH PEIE/GIEL
TMR0IE
INT0IE
RBIE
TMR0IF
INT0IF
RBIF
0000 0000
PIR2
EEIF
BCLIF
LVDIF
TMR3IF
CCP2IF
---0 0000
PIE2
EEIE
BCLIE
LVDIE
TMR3IE
CCP2IE
---0 0000
IPR2
EEIP
BCLIP
LVDIP
TMR3IP
CCP2IP
---1 1111
TMR3L
Holding Register for the Least Significant Byte of the 16-bit TMR3 Register
xxxx xxxx
uuuu uuuu
TMR3H
Holding Register for the Most Significant Byte of the 16-bit TMR3 Register
xxxx xxxx
uuuu uuuu
T1CON
RD16
T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON 0-00 0000
u-uu uuuu
T3CON
RD16
T3CCP2
T3CKPS1 T3CKPS0
T3CCP1
T3SYNC TMR3CS TMR3ON 0000 0000
uuuu uuuu
Legend:
x
= unknown, u = unchanged, – = unimplemented, read as ‘0’. Shaded cells are not used by the Timer3 module.
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