UPD78F9202MA-CAC-A Renesas Electronics America, UPD78F9202MA-CAC-A Datasheet - Page 249
UPD78F9202MA-CAC-A
Manufacturer Part Number
UPD78F9202MA-CAC-A
Description
MCU 8BIT 4KB FLASH 128B RAM
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9500MA-CAC-A.pdf
(342 pages)
Specifications of UPD78F9202MA-CAC-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
7
Program Memory Size
4KB (4K 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
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UPD78F9202MA-CAC-A
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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16.8.5 Example of shifting self programming mode to normal mode
programming.
The operating mode must be returned from self programming mode to normal mode after performing self
An example of shifting to normal mode is explained below.
<1> Clear FLCMD (FLCMD=00H).
<2> Clear the flash status register (PFS).
<3> Set normal mode using a specific sequence.
<4> Check the execution result of the specific sequence using bit 0 (FPRERR) of PFS.
<5> Enable interrupt servicing (by executing the EI instruction and changing MK0) to restore the original state.
<6> Mode shift is completed
Note
Caution Be sure to perform the series of operations described above using the user program at an
• Write the specific value (A5H) to PFCMD.
• Write 00H to FLPMC (writing in this step is invalid)
• Write 0FFH (inverted value of 00H) to FLPMC (writing in this step is invalid)
• Write 00H to FLPMC (writing in this step is valid)
Abnormal → <2>, normal → <5>
After the specific sequence is correctly executed, restore the CPU clock to its setting before the self
programming.
address where data is not erased or written.
CHAPTER 16 FLASH MEMORY
User’s Manual U18172EJ3V0UD
247
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