UPD78F9212CS-CAB-A Renesas Electronics America, UPD78F9212CS-CAB-A Datasheet - Page 272

• 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: -

<R>
<R>
270
An example of a program when the interrupt-disabled time (from erasure to blank check) should be minimized in
self programming mode is shown below.
;---------------------------------------------------------------------
;START
;---------------------------------------------------------------------
FlashBlockErase:
EraseRetry:
MOV
; Sets erase command
MOV
MOV
MOV
MOV
MOV
CALL
; Execution of erase command
MOV
MOV
HALT
MOV
CMP
BNZ
CALL
; Sets blank check command
MOV
MOV
MOV
MOV
MOV
CALL
; Execution of blank check command
MOV
MOV
HALT
MOV
B,#48
FLCMD,#03H
FLAPH,#07H
FLAPL,#00H
FLAPHC,#07H
FLAPLC,#00H
!ModeOn
PFS,#00H
WDTE,#0ACH
A,PFS
A,#00H
$RetryCheck
!ModeOff
FLCMD,#04H
FLAPH,#07H
FLAPL,#00H
FLAPHC,#07H
FLAPLC,#0FFH
!ModeOn
PFS,#00H
WDTE,#0ACH
A,PFS
; Specifies the number of times the erase command can be
; executed.
; (4.0 V to 5.5 V
; Sets flash control command (block erase)
; Sets number of block to be erased (block 7 is specified here)
; Fixes FLAPL to “00H”
; Sets erase block compare number (same value as that of FLAPH)
; Fixes FLAPLC to “00H”
; Shift to self programming mode
; Clears flash status register
; Clears & restarts WDT
; Self programming is started
; Checks execution result
; Checks erase error
; Performs abnormal termination processing when an error
; occurs.
; Shift to normal mode
; Sets flash control command (block blank check)
; Sets block number for blank check (block 7 is specified here)
; Fixes FLAPL to “00H”
; Sets blank check block compare number (same value as that of
; FLAPH)
; Fixes FLAPLC to “FFH”
; Shift to self programming mode
; Clears flash status register
; Clears & restarts WDT
; Self programming is started
CHAPTER 16 FLASH MEMORY
User’s Manual U16994EJ6V0UD
Time for executing block erasure 100 times)