UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 369

• Manufacturer Part Number: UPD78F1506GF-GAT-AX
• Description: MCU 16BIT 78K0R/LX3 128-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Lx3r

Specifications of UPD78F1506GF-GAT-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LCD, LVD, POR, PWM, WDT
• Number Of I /o: 78
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0R/Lx3
7.4 Real-Time Counter Operation
7.4.1 Starting operation of real-time counter
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
Notes 1.
2.
First set RTCEN to 1, while oscillation of the subsystem clock (f
Confirm the procedure described in 7.4.2 Shifting to STOP mode after starting operation when shifting
to STOP mode without waiting for INTRTC = 1 after RTCE = 1.
Figure 7-19. Procedure for Starting Operation of Real-Time Counter
No
Setting SEC (clearing RSUBC)
Clearing MK flags of interrupt
Clearing IF flags of interrupt
Setting AMPM, CT2 to CT0
Reading counter
Setting MONTH
RTCEN = 1
Setting HOUR
Setting WEEK
Setting YEAR
RTCE = 1
INTRTC = 1?
Setting DAY
Setting MIN
RTCE = 0
Start
Yes
Note2
Note1
Clears interrupt mask flags (RTCMK, RTCIMK).
Supplies input clock.
Stops counter operation.
Selects 12-/24-hour system and interrupt (INTRTC).
Sets second count register.
Sets minute count register.
Sets hour count register.
Sets week count register.
Sets day count register.
Sets month count register.
Sets year count register.
Clears interrupt request flags (RTCIF, RTCIIF).
Starts counter operation.
SUB
CHAPTER 7 REAL-TIME COUNTER
) is stable.
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