UPD78F9212CS-CAB-A Renesas Electronics America, UPD78F9212CS-CAB-A Datasheet - Page 258

• Manufacturer Part Number: UPD78F9212CS-CAB-A
• Description: MCU 8BIT 4KB FLASH 16PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9212CS-CAB-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 13
• 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: -

256
An example of a program that performs a byte write in self programming mode is shown below.
;----------------------------
;START
;----------------------------
FlashWrite:
;----------------------------
;END
;----------------------------
MOV
MOV
MOV
MOV
MOV
MOV
HALT
MOV
MOV
FLCMD,#05H
FLAPH,#07H
FLAPL,#20H
FLW,#10H
PFS,#00H
WDTE,#0ACH
A,PFS
CmdStatus,A
; Sets flash control command (byte write)
; Sets address to which data is to be written, with
; FLAPH (block 7 is specified here)
; Sets address to which data is to be written, with
; FLAPL (address 20H is specified here)
; Sets data to be written (10H is specified here)
; Clears flash status register
; Clears & restarts WDT
; Self programming is started
; Execution result is stored in variable
; (CmdStatus = 0: normal termination, other than 0: abnormal
; termination)
CHAPTER 16 FLASH MEMORY
User’s Manual U16994EJ6V0UD