UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 272
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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18.3 Functional Outline
memory programmer, regardless of whether the 78K0S/KA1+ has already been mounted on the target system or not
(on-board/off-board programming).
when it is assumed that the program is changed after production/shipment of the target system, is provided.
supported, so that the program cannot be changed by an unauthorized person.
270
On-board programming
Off-board programming
Self programming
The internal flash memory of the 78K0S/KA1+ can be rewritten by using the rewrite function of the dedicated flash
The function for rewriting a program with the user program (self programming), which is ideal for an application
Refer to Table 18-1 for the flash memory writing control function.
In addition, a security function that prohibits rewriting the user program written to the internal flash memory is also
Refer to 18.7.3 Security settings for details on the security function.
Remarks 1. The FA series is a product of Naito Densei Machida Mfg. Co., Ltd.
Rewrite Method
2.
Refer to the following sections for details on the flash memory writing control function.
18.7 On-Board and Off-Board Flash Memory Programming
18.8 Flash Memory Programming by Self Programming
Flash memory can be rewritten after the device is mounted on the
target system, by using a dedicated flash memory programmer.
Flash memory can be rewritten before the device is mounted on the
target system, by using a dedicated flash memory programmer and a
dedicated program adapter board (FA series).
Flash memory can be rewritten by executing a user program that has
been written to the flash memory in advance by means of on-board/off-
board programming.
CHAPTER 18 FLASH MEMORY
Table 18-1. Rewrite Method
User’s Manual U16898EJ6V0UD
Functional Outline
Flash memory
programming mode
Self programming mode
Operation Mode
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