UPD78F1233GB-GAH-AX Renesas Electronics America, UPD78F1233GB-GAH-AX Datasheet - Page 935

• Manufacturer Part Number: UPD78F1233GB-GAH-AX
• Description: MCU 16BIT 78K0R/LX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Ix3r

Specifications of UPD78F1233GB-GAH-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 40MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Figure 21-5 shows the timing of the internal reset signal generated by the low-voltage detector. The numbers in this
timing chart correspond to <1> to <7> above.
Cautions 1. Be sure to execute <1>. When LVIMK = 0, an interrupt may occur immediately after the
• When stopping operation
Be sure to clear (0) LVIMD and then LVION by using a 1-bit memory manipulation instruction.
<5>
<6>
<7>
2. If supply voltage (V
Use software to wait for the following periods of time (Total 210
Wait until it is checked that (supply voltage (V
Set bit 1 (LVIMD) of LVIM to 1 (generates reset when the level is detected).
signal is not generated.
processing in <4>.
• Operation stabilization time (10
• Minimum pulse width (200
CHAPTER 21 LOW-VOLTAGE DETECTOR
DD
) ≥ detection voltage (V
User’s Manual U19678EJ1V1UD
μ
s (MIN.))
μ
s (MAX.))
DD
) ≥ detection voltage (V
LVI
) when LVIMD is set to 1, an internal reset
μ
s).
LVI
)) by bit 0 (LVIF) of LVIM.
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