UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 387
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
-
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<R>
<R>
78K0/Kx2-L
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
(1) Peripheral enable register 0 (PER0)
(2) Real-time counter control register 0 (RTCC0)
The RTCC0 register is an 8-bit register that is used to start or stop the real-time counter operation, control the
RTCCL and RTC1HZ pins, and set a 12- or 24-hour system and the constant-period interrupt function.
RTCC0 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
This register controls the clock supplied to peripheral functions other than the real-time counter. By stopping the
clock supplied to such peripheral functions, the power consumption can be reduced.
PER0 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
Address: FF25H
Symbol
PER0
Note To output the subsystem clock by using the PCL function while in the subsystem clock HALT mode,
Caution Be sure to clear bits 0 to 6 of PER0 to “0”.
RTCEN
RTCEN
<7>
set RTCEN to 1.
0
1
After reset: 00H
Figure 10-2. Format of Peripheral Enable Register 0 (PER0)
Sub HALT low power consumption mode
Sub HALT normal mode
6
0
R/W
5
0
Control of real-time counter (RTC) input clock supply
Note
4
0
3
0
CHAPTER 10 REAL-TIME COUNTER
2
0
1
0
0
0
373
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