UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 171
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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5.1 Functions of Clock Generator
The clock generator generates the clock to be supplied to the CPU and peripheral hardware.
The following three kinds of system clocks and clock oscillators are selectable.
(1) Main system clock
(2) Subsystem clock
Note
Remark f
<1> X1 oscillator
<2> Internal high-speed oscillator
An external main system clock (f
external main system clock input can be disabled by executing the STOP instruction or using RCM.
As the main system clock, a high-speed system clock (X1 clock or external main system clock) or internal high-
speed oscillation clock can be selected by using the main clock mode register (MCM).
An external subsystem clock (f
external subsystem clock input can be disabled by setting PCC and OSCCTL.
Subsystem clock oscillator
This circuit oscillates at a frequency of f
and XT2.
operation mode select register (OSCCTL).
78K0/KC2-L only
This circuit oscillates a clock of f
Oscillation can be stopped by executing the STOP instruction or using the main OSC control register
(MOC).
This circuit oscillates a clock of f
starts operating with this internal high-speed oscillation clock. Oscillation can be stopped by executing
the STOP instruction or using the internal oscillation mode register (RCM).
f
f
f
f
X
IH
EXCLK
XT
EXCLKS
:
:
:
:
:
Oscillation can be stopped by using the processor clock control register (PCC) and clock
X1 clock oscillation frequency
Internal high-speed oscillation clock frequency
External main system clock frequency
XT1 clock oscillation frequency
External subsystem clock frequency
Note
CHAPTER 5 CLOCK GENERATOR
EXCLKS
EXCLK
Preliminary User’s Manual U19111EJ2V1UD
= 32.768 kHz) can also be supplied from the EXCLKS/XT2/P124 pin. An
X
IH
= 1 to 10 MHz) can also be supplied from the EXCLK/X2/P122 pin. An
= 1 to 10 MHz by connecting a resonator to X1 and X2.
= 4 MHz (TYP.)/8 MHz (TYP.). After a reset release, the CPU always
XT
= 32.768 kHz by connecting a 32.768 kHz resonator across XT1
171
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