UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 310
UPD78F9234MC-5A4-A
Manufacturer Part Number
UPD78F9234MC-5A4-A
Description
MCU 8BIT 8KB FLASH 30PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9232MC-5A4-A.pdf
(419 pages)
Specifications of UPD78F9234MC-5A4-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 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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Price
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MAXIM
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19.8.9 Examples of internal verify operation in self programming mode
308
Examples of internal verify 1 and 2 operations in self programming mode are explained below.
<1> Set 01H (internal verify 1) to the flash program command register (FLCMD).
<2> Set the block number for which internal verify is performed, to flash address pointer H (FLAPH).
<3> Set 00H to the flash address pointer L (FLAPL).
<4> Write the same value as that of FLAPH to the flash address pointer H compare register (FLAPHC).
<5> Set FFH to the flash address pointer L compare register (FLAPLC).
<6> Clear the flash status register (PFS).
<7> Write ACH to the watchdog timer enable register (WDTE) (clear and restart the watchdog timer counter)
<8> Execute the HALT instruction then start self programming. (Execute an instruction immediately after the
<9> Check if a self programming error has occurred using bit 1 (VCERR) and bit 2 (WEPRERR) of PFS.
<10> Internal verify processing is terminated abnormally.
<11> Internal verify processing is terminated normally.
<1> Set 02H (internal verify 2) to the flash program command register (FLCMD).
<2> Set the block number for which internal verify is performed, to flash address pointer H (FLAPH).
<3> Set the verify start address to the flash address pointer L (FLAPL).
<4> Write the same value as that of FLAPH to the flash address pointer H compare register (FLAPHC).
<5> Set the verify end address to the flash address pointer L compare register (FLAPLC).
<6> Clear the flash status register (PFS).
<7> Write ACH to the watchdog timer enable register (WDTE) (clear and restart the watchdog timer counter)
<8> Execute the HALT instruction then start self programming. (Execute an instruction immediately after the
<9> Check if a self programming error has occurred using bit 1 (VCERR) and bit 2 (WEPRERR) of PFS.
<10> Internal verify processing is terminated abnormally.
<11> Internal verify processing is terminated normally.
Note This setting is not required when the watchdog timer is not used.
Internal verify 1
Internal verify 2
HALT instruction if self programming has been executed.)
Abnormal
Normal
HALT instruction if self programming has been executed.)
Abnormal
Normal
<10>
<11>
<10>
<11>
CHAPTER 19 FLASH MEMORY
User’s Manual U17446EJ5V0UD
Note
Note
.
.
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