UPD78F1201MC-CAB-AX Renesas Electronics America, UPD78F1201MC-CAB-AX Datasheet - Page 561
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UPD78F1201MC-CAB-AX
Manufacturer Part Number
UPD78F1201MC-CAB-AX
Description
MCU 16BIT 78K0R/LX3 30-SSOP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1201MC-CAB-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
40MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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9.4.3 Reading/writing real-time counter
Read or write the counter after setting 1 to RWAIT first.
Note Be sure to confirm that RWST = 0 before setting STOP mode.
Caution Complete the series of operations of setting RWAIT to 1 to clearing RWAIT to 0 within 1 second.
Remark SEC, MIN, HOUR, WEEK, DAY, MONTH, and YEAR may be read in any sequence.
All the registers do not have to be set and only some registers may be read.
Figure 9-20. Procedure for Reading Real-Time Counter
No
No
Reading MONTH
Reading HOUR
Reading WEEK
Reading YEAR
RWST = 0?
Reading SEC
Reading DAY
Reading MIN
CHAPTER 9 REAL-TIME COUNTER
RWST = 1?
RWAIT = 1
RWAIT = 0
Start
End
User’s Manual U19678EJ1V1UD
Yes
Yes
Note
Checks wait status of counter.
Stops SEC to YEAR counters.
Mode to read and write count values
Reads second count register.
Reads minute count register.
Reads hour count register.
Reads week count register.
Reads day count register.
Reads month count register.
Reads year count register.
Sets counter operation.
559
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