参数资料
型号: DSPIC30F3013-30I/ML
厂商: Microchip Technology
文件页数: 157/161页
文件大小: 0K
描述: IC DSPIC MCU/DSP 24K 44QFN
产品培训模块: Serial Communications using dsPIC30F I2C
Serial Communications using dsPIC30F SPI
Serial Communications using dsPIC30F UART
dsPIC30F 12 bit ADC - Part 2
dsPIC30F Addressing Modes - Part 1
dsPIC30F Architecture - Part 1
dsPIC30F DSP Engine & ALU
dsPIC30F Interrupts
dsPIC30F Motor Control PWM
dsPIC Timers
Asynchronous Stimulus
dsPIC30F Addressing Modes - Part 2
dsPIC30F Architecture - Part 2
dsPIC30F 12-bit ADC Part 1
标准包装: 45
系列: dsPIC™ 30F
核心处理器: dsPIC
芯体尺寸: 16-位
速度: 30 MIP
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 20
程序存储器容量: 24KB(8K x 24)
程序存储器类型: 闪存
EEPROM 大小: 1K x 8
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.5 V ~ 5.5 V
数据转换器: A/D 10x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-VQFN 裸露焊盘
包装: 管件
产品目录页面: 651 (CN2011-ZH PDF)
配用: DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
DV164005-ND - KIT ICD2 SIMPLE SUIT W/USB CABLE
其它名称: DSPIC30F301330IML
dsPIC30F2011/2012/3012/3013
DS70139G-page 80
2010 Microchip Technology Inc.
10.1
Timer Gate Operation
The 32-bit timer can be placed in the Gated Time
Accumulation mode. This mode allows the internal TCY
to increment the respective timer when the gate input
signal (T2CK pin) is asserted high. Control bit, TGATE
(T2CON<6>), must be set to enable this mode. When
in this mode, Timer2 is the originating clock source.
The TGATE setting is ignored for Timer3. The timer
must be enabled (TON = 1) and the timer clock source
set to internal (TCS = 0).
The falling edge of the external signal terminates the
count operation but does not reset the timer. The user
must reset the timer in order to start counting from zero.
10.2
ADC Event Trigger
When a match occurs between the 32-bit timer
(TMR3/TMR2) and the 32-bit combined period register
(PR3/PR2), or between the 16-bit timer TMR3 and the
16-bit period register PR3, a special ADC trigger event
signal is generated by Timer3.
10.3
Timer Prescaler
The input clock (FOSC/4 or external clock) to the timer
has a prescale option of 1:1, 1:8, 1:64, and 1:256,
selected by control bits, TCKPS<1:0> (T2CON<5:4>
and T3CON<5:4>). For the 32-bit timer operation, the
originating clock source is Timer2. The prescaler
operation for Timer3 is not applicable in this mode. The
prescaler counter is cleared when any of the following
occurs:
A write to the TMR2/TMR3 register
A write to the T2CON/T3CON register
A device Reset, such as a POR and BOR
However, if the timer is disabled (TON = 0), the Timer
2 prescaler cannot be reset since the prescaler clock is
halted.
TMR2/TMR3 is not cleared when T2CON/T3CON is
written.
10.4
Timer Operation During Sleep
Mode
The timer does not operate during CPU Sleep mode
because the internal clocks are disabled.
10.5
Timer Interrupt
The
32-bit
timer
module
can
generate
an
interrupt-on-period match or on the falling edge of the
external gate signal. When the 32-bit timer count
matches the respective 32-bit period register, or the
falling edge of the external “gate” signal is detected, the
T3IF bit (IFS0<7>) is asserted and an interrupt is
generated if enabled. In this mode, the T3IF interrupt
flag is used as the source of the interrupt. The T3IF bit
must be cleared in software.
Enabling
an
interrupt
is
accomplished
via
the
respective timer interrupt enable bit, T3IE (IEC0<7>).
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