UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 75
![no-image](/images/manufacturer_photos/0/5/560/renesas_electronics_america_sml.jpg)
UPD78F9221CS-CAC-A
Manufacturer Part Number
UPD78F9221CS-CAC-A
Description
MCU 8BIT 2KB FLASH 20PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9221MC-5A4-A.pdf
(418 pages)
Specifications of UPD78F9221CS-CAC-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 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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X1/P121
X2/P122
Note Select the high-speed internal oscillator, crystal/ceramic oscillator, or external clock input
system clock source by using the option byte.
System clock
Crystal/ceramic
oscillator
External clock
High-speed
oscillation
oscillation
internal
STOP
input
System clock oscillation
stabilization time counter
Note
OSTS1 OSTS0
f
X
Oscillation stabilization
time select register (OSTS)
Low-speed internal oscillation
mode register (LSRCM)
Watchdog timer
Option byte
1: Cannot be stopped.
0: Can be stopped.
Figure 5-1. Block Diagram of Clock Generators
f
2
X
Internal bus
Prescaler
CHAPTER 5 CLOCK GENERATORS
2
f
X
2
User’s Manual U16898EJ6V0UD
PPCC1 PPCC0
Internal bus
Low-speed
oscillator
internal
LSRSTOP
Preprocessor clock
control register (PPCC)
f
XP
f
RL
Prescaler
f
2
XP
2
Clock to peripheral
hardware (f
PCC1
8-bit timer H1,
watchdog timer
Processor clock
control register (PCC)
XP
)
Controller
C
P
U
circuit
CPU clock
(f
CPU
as the
)
73
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