UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 195
UPD78F0550MA-FAA-AX
Manufacturer Part Number
UPD78F0550MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0550MA-FAA-AX.pdf
(734 pages)
Specifications of UPD78F0550MA-FAA-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
12
Core Processor
78K/0
Program Memory Type
FLASH
Ram Size
384 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Connectivity
I²C, LIN, UART/USART
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F0550MA-FAA-AX
Manufacturer:
Renesas
Quantity:
800
Part Number:
UPD78F0550MA-FAA-AX
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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(4) Example of setting procedure when stopping the high-speed system clock
<2> Setting the high-speed system clock as the main system clock (MCM register)
<3> Setting the main system clock as the CPU clock and selecting the division ratio (PCC register)
The high-speed system clock can be stopped in the following two ways.
(a) To execute a STOP instruction
Executing the STOP instruction and stopping the X1 oscillation (disabling clock input if the external clock is
used)
Setting MSTOP to 1 and stopping the X1 oscillation (disabling clock input if the external clock is used)
<1> Setting to stop peripheral hardware
<2> Setting the X1 clock oscillation stabilization time after standby release
<3> Executing the STOP instruction
When XSEL and MCM0 are set to 1, the high-speed system clock is supplied as the main system clock
and peripheral hardware clock.
Caution If the high-speed system clock is selected as the main system clock, a clock other than
When CSS is cleared to 0, the main system clock is supplied to the CPU. To select the CPU clock
division ratio, use PCC0, PCC1, and PCC2.
XSEL
CSS
Stop peripheral hardware that cannot be used in the STOP mode (for peripheral hardware that
cannot be used in STOP mode, refer to CHAPTER 19 STANDBY FUNCTION).
When the CPU is operating on the X1 clock, set the value of the OSTS register before the STOP
instruction is executed.
When the STOP instruction is executed, the system is placed in the STOP mode and X1 oscillation
is stopped (the input of the external clock is disabled).
1
0
the high-speed system clock cannot be set as the peripheral hardware clock.
MCM0
PCC2
1
0
0
0
0
1
Other than above
High-speed system clock (f
Selection of Main System Clock and Clock Supplied to Peripheral Hardware
PCC1
Preliminary User’s Manual U19111EJ2V1UD
CHAPTER 5 CLOCK GENERATOR
0
0
1
1
0
Main System Clock (f
PCC0
0
1
0
1
0
XH
f
f
f
f
f
Setting prohibited
XP
XP
XP
XP
XP
XP
)
)
/2 (default)
/2
/2
/2
2
3
4
CPU Clock (f
High-speed system clock (f
Peripheral Hardware Clock (f
CPU
) Selection
XH
)
PRS
)
195
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