UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 354

• 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: -

10.4 Real-Time Counter Operation
10.4.1 Starting operation of real-time counter
354
Note First set RTCEN to 1, while oscillation of the subsystem clock (f
Figure 10-18. 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 WEEK
Setting HOUR
Setting YEAR
INTRTC = 1?
Setting DAY
Setting MIN
RTCE = 0
RTCE = 1
Start
Yes
CHAPTER 10 REAL-TIME COUNTER
Preliminary User’s Manual U19111EJ2V1UD
Note
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).
Clears interrupt mask flags (RTCMK, RTCIMK).
Starts counter operation.
SUB
) is stable.