UPD78F0555MA-FAA-AX Renesas Electronics America, UPD78F0555MA-FAA-AX Datasheet - Page 238
UPD78F0555MA-FAA-AX
Manufacturer Part Number
UPD78F0555MA-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 UPD78F0555MA-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
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
384 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: 238 of 822
- Download datasheet (6Mb)
78K0/Kx2-L
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
(2) Example of setting procedure when using internal high-speed oscillation clock as CPU clock, and internal
high-speed oscillation clock or high-speed system clock as peripheral hardware clock
<1> • Restarting oscillation of the internal high-speed oscillation clock
<2> Selecting the clock supplied as the main system clock and peripheral hardware clock (MCM register)
<3> Selecting the CPU clock division ratio (PCC register)
• Oscillating the high-speed system clock
Set the main system clock and peripheral hardware clock using XSEL and MCM0.
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.
(Refer to 5.6.2 (1) Example of setting procedure when restarting oscillation of the internal high-
speed oscillation clock).
(This setting is required when using the high-speed system clock as the peripheral hardware clock. Refer
to 5.6.1 (1) Example of setting procedure when oscillating the X1 clock and (2) Example of setting
procedure when using the external main system clock.)
Note The setting of <1> is not necessary when the internal high-speed oscillation clock or high-speed
XSEL
CSS
0
0
1
0
system clock is already operating.
MCM0
PCC2
0
1
0
0
0
0
0
1
Other than above
Internal high-speed oscillation clock
(f
Selection of Main System Clock and Clock Supplied to Peripheral Hardware
IH
)
PCC1
0
0
1
1
0
Main System Clock (f
PCC0
0
1
0
1
0
Note
f
f
f
f
f
Setting prohibited
XP
XP
XP
XP
XP
XP
)
/2 (default)
/2
/2
/2
2
3
4
CPU Clock (f
Internal high-speed oscillation clock
(f
High-speed system clock (f
IH
Peripheral Hardware Clock (f
)
Note
CHAPTER 5 CLOCK GENERATOR
CPU
) Selection
XH
)
PRS
)
224
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