UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 81
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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5.4.3
port pin.
PORT FUNCTIONS.
5.4.4
the peripheral hardware. It also divides the clock to peripheral hardware (f
CPU.
This circuit supplies a clock from an external IC to the X1 pin.
If external clock input is selected by the option byte as the system clock source, the X2 pin can be used as an I/O
For details of the option byte, refer to CHAPTER 17 OPTION BYTE. For details of I/O ports, refer to CHAPTER 4
The prescaler divides the clock (f
Remark The clock output by the oscillator selected by the option byte (high-speed internal oscillator,
External clock input circuit
Prescaler
crystal/ceramic oscillator, or external clock input circuit) is divided. For details of the option byte, refer to
CHAPTER 17 OPTION BYTE.
(e) Signals are fetched
V
SS
Figure 5-7. Examples of Incorrect Resonator Connection (2/2)
X1
X
) output by the system clock oscillator to generate a clock (f
X2
CHAPTER 5 CLOCK GENERATORS
User’s Manual U16898EJ6V0UD
XP
) to generate a clock to be supplied to the
XP
) to be supplied to
79
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