UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 281

• 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: -

19.6.3 Port pins
same status as that immediately after reset. If external devices connected to the ports do not recognize the port
status immediately after reset, the port pin must be connected to V
19.6.4 Power supply
programmer.
When the flash memory programming mode is set, all the pins not used for flash memory programming enter the
The state of the pins in the self programming mode is the same as that in the HALT mode.
Connect the V
Supply the same other power supplies (AV
78K0S/KB1+
DD
RESET
pin to V
In the flash memory programming mode, the signal output by the reset signal
generator collides with the signal output by the dedicated flash memory
programmer. Therefore, isolate the signal of the reset signal generator.
DD
of the flash memory programmer, and the V
Figure 19-6. Signal Collision (RESET Pin)
Signal collision
CHAPTER 19 FLASH MEMORY
REF
User’s Manual U17446EJ5V0UD
and AV
Reset signal generator
SS
Dedicated flash memory programmer
connection signal
) as those in the normal operation mode.
Output pin
DD
or V
SS
via a resistor.
SS
pin to V
SS
of the flash memory
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