UPD78F9222MC-5A4-A Renesas Electronics America, UPD78F9222MC-5A4-A Datasheet - Page 278

• Manufacturer Part Number: UPD78F9222MC-5A4-A
• Description: MCU 8BIT 4KB FLASH 20PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9222MC-5A4-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 4KB (4K 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: -

18.6.3 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
18.6.4 Power supply
programmer.
276
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 AV
REF
with the same power supply as that in the normal operation mode.
DD
78K0S/KA1+
pin to V
RESET
DD
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.
of the flash memory programmer, and the V
Figure 18-6. Signal Collision (RESET Pin)
Signal collision
CHAPTER 18 FLASH MEMORY
User’s Manual U16898EJ6V0UD
Reset signal generator
Dedicated flash memory programmer
connection signal
Output pin
DD
or V
SS
via a resistor.
SS
pin to V
SS
of the flash memory