UPD78F1000GB-GAF-AX Renesas Electronics America, UPD78F1000GB-GAF-AX Datasheet - Page 512

• Manufacturer Part Number: UPD78F1000GB-GAF-AX
• Description: MCU 16BIT 78K0R/KX3-L 44-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3-Lr

Specifications of UPD78F1000GB-GAF-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0R/Kx3-L
R01UH0106EJ0300 Rev.3.00
Oct 01, 2010
Note Be sure to confirm that RWST = 0 before setting STOP mode.
Caution Complete the series of operations of setting the RWAIT bit to 1 to clearing the RWAIT bit to 0 within 1
Remark The second count register (SEC), minute count register (MIN), hour count register (HOUR), week count
second.
register (WEEK), day count register (DAY), month count register (MONTH), and year count register (YEAR)
may be written in any sequence.
All the registers do not have to be set and only some registers may be written.
Figure 9-21. Procedure for Writing Real-Time Counter
No
No
Writing MONTH
RWST = 0?
Writing HOUR
Writing WEEK
Writing YEAR
Writing SEC
Writing DAY
RWST = 1?
Writing MIN
RWAIT = 1
RWAIT = 0
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.
CHAPTER 9 REAL-TIME COUNTER
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