M3087BFLBGP#U5 Renesas Electronics America, M3087BFLBGP#U5 Datasheet - Page 81

• Manufacturer Part Number: M3087BFLBGP#U5
• Description: IC M32C/87 MCU FLASH 144LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M32C/80r

Specifications of M3087BFLBGP#U5

• Core Processor: M32C/80
• Core Size: 16/32-Bit
• Speed: 32MHz
• Connectivity: EBI/EMI, I²C, IEBus, IrDA, SIO, UART/USART
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 121
• 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 34x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 144-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: -

M32C/87 Group (M32C/87, M32C/87A, M32C/87B)
REJ09B0180-0151 Rev.1.51 Jul 31, 2008
Page 57 of 587
Figure 6.6
Output from digital filter
Output from digital filter
interrupt request signal
interrupt request signal
interrupt request signal
<When wait mode/stop mode is not used>
<When wait mode/stop mode is used>
when D41 bit is 1
NOTES:
Vdet4 detection
Vdet4 detection
Vdet4 detection
VC27 bit: bit in the VCR2 register
VC13 bit: bit in the VCR1 register
VC41 bit, VC42 bit: bits in the D4INT register
1. Apply an “L” to the RESET pin when the voltage input to the VCC1 pin drops to 3.0 V or below. After the voltage
2. When the D42 bit is set to 1, the Vdet4 detection interrupt request signal is not generated even if the Vdet4
3. If the Vdet4 detection interrupt has been used to exit wait mode or stop mode, set the D41 bit to 0 and then set it
from D42 bit
from D42 bit
rises above 3.0 V, and the output voltage from the main voltage regulator and the main clock oscillation
stabilize, apply an “H” to the RESET pin.
detection signal is output from the digital filter.
back to 1 to use the Vdet4 detection interrupt again to exit wait/stop mode.
VC27 bit
VC13 bit
RESET
D42 bit
D42 bit
D41 bit
Voltage applied to VCC1
Vdet4 Detection Function Operation Example
Vdet4 (V)
3 (V)
“H”
“H”
“H”
“H”
“H”
“H”
“L”
“L”
“L”
“L”
“L”
“L”
1
0
1
0
1
0
1
0
1
0
Sampling period
Sampling period
Wait mode or
stop mode
Set to 0 by a program
(note 3)
6. Power Supply Voltage Detection Function
(note 2)
Wait mode or
stop mode
Set to 0 by a program
(note 1)
Time