UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 393
UPD78F0551MA-FAA-AX
Manufacturer Part Number
UPD78F0551MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0551MA-FAA-AX.pdf
(822 pages)
Specifications of UPD78F0551MA-FAA-AX
Core Processor
78K/0
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
9
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 393 of 822
- Download datasheet (6Mb)
78K0/Kx2-L
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
Address: FFB3H
Address: FFB4H
(7) Minute count register (MIN)
(8) Hour count register (HOUR)
Symbol
Symbol
HOUR
MIN
The MIN register is an 8-bit register that takes a value of 0 to 59 (decimal) and indicates the count value of minutes.
It counts up when the second 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 second 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 59 to this register in BCD code. If a value outside this range
is set, the register value returns to the normal value after 1 period.
MIN can be set by an 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
The HOUR register is an 8-bit register that takes a value of 00 to 23 or 01 to 12, 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. Specify a decimal value of 00 to 23, 01 to 12, or 21 to 32 by using BCD code according
to the time system specified using bit 3 (AMPM) of real-time counter control register 0 (RTCC0).
If the AMPM bit value is changed, the values of the HOUR register change according to the specified time system.
If a value outside the range is set, the register value returns to the normal value after 1 period.
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).
After reset: 00H
After reset: 12H
7
0
7
0
MIN40
6
6
0
Figure 10-9. Format of Hour Count Register (HOUR)
Figure 10-8. Format of Minute Count Register (MIN)
R/W
R/W
HOUR20
MIN20
5
5
HOUR10
MIN10
4
4
HOUR8
MIN8
3
3
CHAPTER 10 REAL-TIME COUNTER
HOUR4
MIN4
2
2
HOUR2
MIN2
1
1
HOUR1
MIN1
0
0
379
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