DSPIC30F6010A-30I/PT Microchip Technology Inc., DSPIC30F6010A-30I/PT Datasheet - Page 76
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DSPIC30F6010A-30I/PT
Manufacturer Part Number
DSPIC30F6010A-30I/PT
Description
16 BIT MCU/DSP 80LD 30MIPS 144 KB FLASH
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC30F6010A-30IPT.pdf
(244 pages)
Specifications of DSPIC30F6010A-30I/PT
A/d Inputs
16-Channels, 10-Bit
Cpu Speed
30 MIPS
Eeprom Memory
4K Bytes
Input Output
68
Interface
CAN, I2C, SPI, UART/USART
Ios
68
Memory Type
Flash
Number Of Bits
16
Package Type
80-pin TQFP
Programmable Memory
144K Bytes
Ram Size
8K Bytes
Timers
5-16-bit, 2-32-bit
Voltage, Range
2.5-5.5
Lead Free Status / Rohs Status
RoHS Compliant part
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9.1
The 16-bit timer can be placed in the Gated Time Accu-
mulation mode. This mode allows the internal T
increment the respective timer when the gate input sig-
nal (T1CK pin) is asserted high. Control bit TGATE
(T1CON<6>) must be set to enable this mode. The
timer must be enabled (TON = 1) and the timer clock
source set to internal (TCS = 0).
When the CPU goes into the Idle mode, the timer will
stop incrementing, unless TSIDL = 0. If TSIDL = 1, the
timer will resume the incrementing sequence upon
termination of the CPU Idle mode.
9.2
The input clock (F
Timer, has a prescale option of 1:1, 1:8, 1:64, and
1:256
(T1CON<5:4>). The prescaler counter is cleared when
any of the following occurs:
• a write to the TMR1 register
• clearing of the TON bit (T1CON<15>)
• device Reset such as POR and BOR
However, if the timer is disabled (TON = 0), then the
timer prescaler cannot be reset since the prescaler
clock is halted.
TMR1 is not cleared when T1CON is written. It is
cleared by writing to the TMR1 register.
9.3
During CPU Sleep mode, the timer will operate if:
• The timer module is enabled (TON = 1) and
• The timer clock source is selected as external
• The TSYNC bit (T1CON<2>) is asserted to a logic
When all three conditions are true, the timer will con-
tinue to count up to the period register and be reset to
0x0000.
When a match between the timer and the period regis-
ter occurs, an interrupt can be generated, if the
respective timer interrupt enable bit is asserted.
DS70082G-page 74
(TCS = 1) and
0, which defines the external clock source as
asynchronous
selected
Timer Gate Operation
Timer Prescaler
Timer Operation During Sleep
Mode
OSC
by
/4 or external clock) to the 16-bit
control
bits
TCKPS<1:0>
CY
Preliminary
to
9.4
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 interrupt
enable bit is located in the IEC0 control register in the
Interrupt Controller.
9.5
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:
C1 = C2 = 18 pF; R = 100K
C1
C2
Timer Interrupt
Real-Time Clock
32.768 kHz
XTAL
R
RECOMMENDED
COMPONENTS FOR
TIMER1 LP OSCILLATOR
RTC
2004 Microchip Technology Inc.
SOSCI
SOSCO
dsPIC30FXXXX
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