UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 356

• Manufacturer Part Number: UPD78F0550MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0550MA-FAA-AX

• Package / Case: *
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 10MHz
• Number Of I /o: 12
• Core Processor: 78K/0
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Program Memory Size: 4KB (4K x 8)
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Peripherals: LVD, POR, PWM, WDT
• Connectivity: I²C, LIN, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

356
Note Be sure to confirm that RWST = 0 before setting STOP mode.
Remark SEC, MIN, HOUR, WEEK, DAY, MONTH, and YEAR may be written in any sequence.
Caution Complete the series of operations of setting RWAIT to 1 to clearing RWAIT to 0 within 1 second.
All the registers do not have to be set and only some registers may be written.
No
No
Figure 10-20. Procedure for Writing Real-Time Counter
Writing MONTH
RWST = 0?
Writing HOUR
Writing WEEK
Writing YEAR
Writing SEC
Writing DAY
RWST = 1?
Writing MIN
RWAIT = 1
RWAIT = 0
CHAPTER 10 REAL-TIME COUNTER
Preliminary User’s Manual U19111EJ2V1UD
Start
End
Yes
Yes
Note
Checks wait status of counter.
Stops SEC to YEAR counters.
Mode to read and write count values
Writes second count register.
Writes minute count register.
Writes hour count register.
Writes week count register.
Writes day count register.
Writes month count register.
Writes year count register.
Sets counter operation.