UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 259

• Manufacturer Part Number: UPD78F9234MC-5A4-A
• Description: MCU 8BIT 8KB FLASH 30PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9234MC-5A4-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

16.2 Configuration of Power-on-Clear Circuit
16.3 Operation of Power-on-Clear Circuit
and an internal reset signal is generated when V
POC detection voltage
(V
Internal reset signal
Supply voltage (V
The block diagram of the power-on-clear circuit is shown in Figure 16-1.
In the power-on-clear circuit, the supply voltage (V
POC
= 2.1 V (TYP.))
Figure 16-2. Timing of Internal Reset Signal Generation in Power-on-Clear Circuit
DD
)
V
DD
Figure 16-1. Block Diagram of Power-on-Clear Circuit
Reference
voltage
source
CHAPTER 16 POWER-ON-CLEAR CIRCUIT
User’s Manual U17446EJ5V0UD
DD
+
< V
V
DD
DD
POC
) and detection voltage (V
, and an internal reset is released when V
Internal reset signal
POC
= 2.1 V (TYP.)) are compared,
DD
V
POC
.
Time
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