UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 84
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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Notes 1.
(a) The internal reset signal is generated by the power-on-clear function on power application, the option byte is
(b) After high-speed internal oscillation clock is generated, the option byte is referenced and the system clock is
(c) If the system clock is the crystal/ceramic oscillator clock, it starts operating as the CPU clock after clock
referenced after reset, and the system clock is selected.
selected. In this case, the crystal/ceramic oscillator clock is selected as the system clock.
oscillation is stabilized. The wait time is selected by the option byte. For details, refer to CHAPTER 17
OPTION BYTE.
2.
Internal reset
System clock
CPU clock
Operation stop time is 276 s (MIN.), 544 s (TYP.), and 1.074 ms (MAX.).
The clock oscillation stabilization time for default start is selected by the option byte. For details, refer
to CHAPTER 17 OPTION BYTE. The oscillation stabilization time that elapses after the STOP mode
is released is selected by the oscillation stabilization time select register (OSTS).
RESET
V
Figure 5-10. Timing Chart of Default Start by Crystal/Ceramic Oscillator
DD
H
(a)
System clock is selected.
(Operation stops
CHAPTER 5 CLOCK GENERATORS
Option byte is read.
User’s Manual U16898EJ6V0UD
Note 1
)
(b)
Clock oscillation
stabilization
time
Note 2
(c)
PCC = 02H, PPCC = 02H
Crystal/ceramic
oscillator clock
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