M30879FLFP#U3 Renesas Electronics America, M30879FLFP#U3 Datasheet - Page 202
M30879FLFP#U3
Manufacturer Part Number
M30879FLFP#U3
Description
IC M32C/87 MCU FLASH 100QFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheets
1.M3087BFLGPU3.pdf
(93 pages)
2.M3087BFLGPU3.pdf
(629 pages)
3.M3087BFLGPU3.pdf
(364 pages)
Specifications of M30879FLFP#U3
Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
CAN, EBI/EMI, I²C, IEBus, IrDA, SIO, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
85
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 26x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
For Use With
R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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M32C/87 Group (M32C/87, M32C/87A, M32C/87B)
REJ09B0180-0151 Rev.1.51 Jul 31, 2008
Page 178 of 587
Figure 15.17
15.1.2.1
TA3OUT
(A phase)
TA3IN
(B phase)
Count source
INT2
(Z phase)
Counter value
The counter value of timer can be set to 0 by a Z-phase pulse signal input (counter reset) when processing
two-phase pulse signals.
This function can be used when all the following conditions are met; timer A3 event counter mode, two-phase
pulse signal processing, free-running count operation type, and multiply-by-4 processing. The Z-phase pulse
signal is applied to the INT2 pin.
When the TAZIE bit in the ONSF register is set to 1 (Z-phase input enabled), Z-phase pulse input is enabled to
reset the counter. To reset the counter by a Z-phase pulse input, set the TA3 register to 0000h beforehand.
A Z-phase pulse input is enabled when the edge of a signal applied to the INT2 pin is detected. The POL bit in
the INT2IC register can determine the edge polarity. The Z-phase pulse must have a pulse width of one or more
timer A3 count source cycles. Figure 15.17 shows relations between two-phase pulses (A-phase and B-phase)
and the Z-phase pulse.
Z-phase pulse input resets the counter in the next count source timing followed a Z-phase pulse input.
A timer A3 interrupt request is generated twice in a row if a timer A3 overflow or underflow, and the counter
reset by an INT2 input occur at the same time. Do not generate a timer A3 interrupt request when this function
is used.
NOTE:
(1)
1. Example when the rising edge of INT2 is selected.
Counter Reset by Two-Phase Pulse Signal Processing
Relations between Two-Phase Pulses (A-Phase and B-Phase) and Z-Phase Pulse
Pulse width of one or more count source cycles is required
m
m + 1
1
2
3
4
5
6
15. Timer A
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