参数资料
型号: DSPIC30F6010-20E/PF
厂商: Microchip Technology
文件页数: 69/110页
文件大小: 0K
描述: IC DSPIC MCU/DSP 144K 80TQFP
产品培训模块: Asynchronous Stimulus
标准包装: 90
系列: dsPIC™ 30F
核心处理器: dsPIC
芯体尺寸: 16-位
速度: 20 MIPS
连通性: CAN,I²C,SPI,UART/USART
外围设备: 高级欠压探测/复位,LVD,电机控制 PWM,QEI,POR,PWM,WDT
输入/输出数: 68
程序存储器容量: 144KB(48K x 24)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 2.5 V ~ 5.5 V
数据转换器: A/D 16x10b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 80-TQFP
包装: 托盘
配用: DM300019-ND - BOARD DEMO DSPICDEM 80L STARTER
AC164314-ND - MODULE SKT FOR PM3 80PF
DM300020-ND - BOARD DEV DSPICDEM MC1 MOTORCTRL
其它名称: DSPIC30F601020EPF
2006 Microchip Technology Inc.
DS70119E-page 59
dsPIC30F6010
9.4
Timer Interrupt
The 16-bit timer has the ability to generate an interrupt
on period match. When the timer count matches the
period register, the T1IF bit is asserted and an interrupt
will be generated, if enabled. The T1IF bit must be
cleared in software. The timer interrupt flag T1IF is
located in the IFS0 control register in the Interrupt
Controller.
When the Gated Time Accumulation mode is enabled,
an interrupt will also be generated on the falling edge of
the gate signal (at the end of the accumulation cycle).
Enabling an interrupt is accomplished via the respec-
tive Timer Interrupt Enable bit, T1IE. The Timer Inter-
rupt Enable bit is located in the IEC0 control register in
the Interrupt Controller.
9.5
Real-Time Clock
Timer1, when operating in Real-Time Clock (RTC)
mode, provides time-of-day and event time stamping
capabilities. Key operational features of the RTC are:
Operation from 32 kHz LP oscillator
8-bit prescaler
Low power
Real-Time Clock Interrupts
These operating modes are determined by setting the
appropriate bit(s) in the T1CON Control register
FIGURE 9-2:
RECOMMENDED
COMPONENTS FOR
TIMER1 LP OSCILLATOR
RTC
9.5.1
RTC OSCILLATOR OPERATION
When the TON = 1, TCS = 1 and TGATE = 0, the timer
increments on the rising edge of the 32 kHz LP oscilla-
tor output signal, up to the value specified in the period
register, and is then reset to ‘0’.
The TSYNC bit must be asserted to a logic ‘0’
(Asynchronous mode) for correct operation.
Enabling LPOSCEN (OSCCON<1>) will disable the
normal Timer and Counter modes and enable a timer
carry-out wake-up event.
When the CPU enters Sleep mode, the RTC will con-
tinue to operate, provided the 32 kHz external crystal
oscillator is active and the control bits have not been
changed. The TSIDL bit should be cleared to ‘0’ in
order for RTC to continue operation in Idle mode.
9.5.2
RTC INTERRUPTS
When an interrupt event occurs, the respective inter-
rupt flag, T1IF, is asserted and an interrupt will be gen-
erated, if enabled. The T1IF bit must be cleared in
software. The respective Timer interrupt flag, T1IF, is
located in the IFS0 status register in the Interrupt
Controller.
Enabling an interrupt is accomplished via the respec-
tive Timer Interrupt Enable bit, T1IE. The Timer Inter-
rupt Enable bit is located in the IEC0 control register in
the Interrupt Controller.
SOSCI
SOSCO
R
C1
C2
dsPIC30FXXXX
32.768 kHz
XTAL
C1 = C2 = 18 pF; R = 100K
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