UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 300

• Manufacturer Part Number: UPD78F9234MC-5A4-A
• Description: MCU 8BIT 8KB FLASH 30PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

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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An example of a program that shifts the mode to normal mode is shown below.
;----------------------------
;START
;----------------------------
ModeOffLoop:
;----------------------------
;END
;----------------------------
MOV
MOV
MOV
MOV
MOV
MOV
BT
MOV
MOV
EI
FLCMD,#00H
PFS,#00H
PFCMD,#0A5H
FLPMC,#00H
FLPMC,#0FFH
FLPMC,#00H
PFS.0,$ModeOffLoop ; Checks completion of write to specific registers
MK0,#INT_MK0
MK1,#INT_MK1
CHAPTER 19 FLASH MEMORY
; Clears flash status register
; PFCMD register control
; FLPMC register control (sets value)
; FLPMC register control (inverts set value)
; Sets normal mode via FLPMC register control (sets value)
; Repeats the same processing when an error occurs
; Restore the CPU clock to its setting before the self
; programming, after normal completion of the specific
; sequence
; Restores interrupt mask flag
; Clear FLCMD register
User’s Manual U17446EJ5V0UD