UPD78F1211GB-GAF-AX Renesas Electronics America, UPD78F1211GB-GAF-AX Datasheet - Page 551
![no-image](/images/manufacturer_photos/0/5/560/renesas_electronics_america_sml.jpg)
UPD78F1211GB-GAF-AX
Manufacturer Part Number
UPD78F1211GB-GAF-AX
Description
MCU 16BIT 78K0R/LX3 44-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1211GB-GAF-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
33
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 10x10b
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:
UPD78F1211GB-GAF-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 551 of 1067
- Download datasheet (7Mb)
Address: FFF94H
(8) Hour count register (HOUR)
Symbol
HOUR
The HOUR register is an 8-bit register that takes a value of 00 to 23 or 01 to 12 and 21 to 32 (decimal) and
indicates the count value of hours.
It counts up when the minute counter overflows.
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 minute 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 00 to 23, or 01 to 12 and 21 to 32, to this
register in BCD code.
HOUR can be set by an 8-bit memory manipulation instruction.
Reset signal generation clears this register to 12H.
However, the value of this register is 00H if the AMPM bit (bit 3 of the RTCC0 register) is set to 1 after reset.
Caution Bit 5 (HOUR20) of HOUR indicates AM(0)/PM(1) if AMPM = 0 (if the 12-hour system is
selected).
7
0
After reset: 12H
Figure 9-9. Format of Hour Count Register (HOUR)
6
0
R/W
CHAPTER 9 REAL-TIME COUNTER
HOUR20
5
User’s Manual U19678EJ1V1UD
HOUR10
4
HOUR8
3
HOUR4
2
HOUR2
1
HOUR1
0
549
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