UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 75

• Manufacturer Part Number: UPD78F9221CS-CAC-A
• Description: MCU 8BIT 2KB FLASH 20PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

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: -

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
)
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