M30840SGP#U5 Renesas Electronics America, M30840SGP#U5 Datasheet - Page 190

• Manufacturer Part Number: M30840SGP#U5
• Description: IC M32C/84 MCU ROMLESS 100LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M32C/80r

Specifications of M30840SGP#U5

• Core Processor: M32C/80
• Core Size: 16/32-Bit
• Speed: 32MHz
• Connectivity: CAN, I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 45
• Program Memory Type: ROMless
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 10x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 100-LQFP
• 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: -
• Program Memory Size: -

M
R
R
e
E
3
. v
J
2
Figure 15.10 Two-Phase Pulse (A-phase and B-phase) and Z-phase
Figure 15.11 Counter Reset Timing
0
C
1
9
8 /
0 .
B
0
1
4
15.1.2.1 Counter Reset by Two-Phase Pulse Signal Processing
0
G
Z-phase input resets the timer counter when processing a two-phase pulse signal.
This function can be used in timer A3 event counter mode, two-phase pulse signal processing, free-
running count operation type or multiply-by-4 processing. The Z-phase 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 input can
reset the timer counter. To reset the counter by a Z-phase input, set the TA3 register to "0000
beforehand.
Z-phase input is enabled when the edge of the signal applied to the INT2 pin is detected. The POL bit
in the INT2IC register can determine edge polarity. The Z-phase must have a pulse width of one timer
A3 count source cycle or more . Figure 15.10 shows two-phase pulses (A-phase and B-phase) and
the Z-phase.
Z-phase input resets the timer counter in the next count source following Z-phase input. Figure 15.11
shows the counter reset timing.
Timer A3 interrupt request is generated twice continuously when a timer A3 overflow or underflow,
and a counter reset by INT2 input occur at the same time. Do not use the timer A3 interrupt request
when this function is used.
3
J
6
u
o r
0 -
. l
u
0
1
p
TA3
(A-phase)
Count source
, 7
0
TA3
(B-phase)
INT2
(Z-phase)
1
(
2
M
TA3
(A-phase)
TA3
(B-phase)
Count source
INT2
(Z-phase)
Counter value
OUT
IN
0
3
(1)
0
2
5
IN
OUT
C
(1)
8 /
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Pulse width of one count source cycle
or more is required
M
3
2
C
_______
8 /
f o
4
4
) T
m
9
5
Timer counter is reset
at this timing
m+1
1
2
NOTES:
1. When the rising edge of INT2 is selected.
NOTES:
3
1. When the rising edge of INT2 is selected.
4
5
_______
15. Timer (Timer A)
_______
16
"