UPD78F1009GB-GAH-AX Renesas Electronics America, UPD78F1009GB-GAH-AX Datasheet - Page 503
UPD78F1009GB-GAH-AX
Manufacturer Part Number
UPD78F1009GB-GAH-AX
Description
MCU 16BIT 78K0R/KX3-L 64-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3-Lr
Datasheet
1.UPD78F1000GB-GAF-AX.pdf
(1171 pages)
Specifications of UPD78F1009GB-GAH-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
50
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1009GB-GAH-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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- Download datasheet (8Mb)
78K0R/Kx3-L
R01UH0106EJ0300 Rev.3.00
Oct 01, 2010
Address: FFF96H
(9) Day count register (DAY)
Symbol
DAY
The DAY register is an 8-bit register that takes a value of 1 to 31 (decimal) and indicates the count value of days.
It counts up when the hour counter overflows.
This counter counts as follows.
• 01 to 31 (January, March, May, July, August, October, December)
• 01 to 30 (April, June, September, November)
• 01 to 29 (February, leap year)
• 01 to 28 (February, normal year)
When data is written to this register, it is written to a buffer and then to the counter up to 2 clocks (32.768 kHz) later.
Even if the hour count register overflows while this register is being written, this register ignores the overflow and is
set to the value written. Set a decimal value of 01 to 31 to this register in BCD code. If a value outside the range is
set, the register value returns to the normal value after 1 period.
The DAY register can be set by an 8-bit memory manipulation instruction.
Reset signal generation clears this register to 01H.
7
0
After reset: 01H
6
0
Figure 9-10. Format of Day Count Register (DAY)
R/W
DAY20
5
DAY10
4
DAY8
3
CHAPTER 9 REAL-TIME COUNTER
DAY4
2
DAY2
1
DAY1
0
503
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