UPD78F9222MC-5A4-A Renesas Electronics America, UPD78F9222MC-5A4-A Datasheet - Page 301
![no-image](/images/manufacturer_photos/0/5/560/renesas_electronics_america_sml.jpg)
UPD78F9222MC-5A4-A
Manufacturer Part Number
UPD78F9222MC-5A4-A
Description
MCU 8BIT 4KB FLASH 20PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9221MC-5A4-A.pdf
(418 pages)
Specifications of UPD78F9222MC-5A4-A
Core Processor
78K0S
Core Size
8-Bit
Speed
10MHz
Connectivity
LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
4KB (4K 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F9222MC-5A4-A
Manufacturer:
FSC
Quantity:
340
Part Number:
UPD78F9222MC-5A4-A
Manufacturer:
NEC
Quantity:
20 000
- Current page: 301 of 418
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<R>
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An example of a program that performs a block erase in self programming mode is shown below.
;----------------------------
;START
;----------------------------
FlashBlockErase:
EraseRetry:
;---------------------------------------------------------------------
;END (abnormal termination processing); Perform processing to shift to
;---------------------------------------------------------------------
StatusError:
;---------------------------------------------------------------------
;END (normal termination processing)
;---------------------------------------------------------------------
StatusNormal:
normal mode in order to return to normal processing
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
HALT
MOV
CMP
BZ
DBNZ
B,#48
FLCMD,#03H
FLAPH,#07H
FLAPL,#00H
FLAPHC,#07H
FLAPLC,#00H
PFS,#00H
WDTE,#0ACH
A,PFS
A,#00H
$StatusNormal
B,$EraseRetry
; 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”
; Clears flash status register
; Clears & restarts WDT
; Self programming is started
; Checks execution result
; Normal termination
; Checks whether to re-execute the erase command.
CHAPTER 18 FLASH MEMORY
User’s Manual U16898EJ6V0UD
Time for executing block erasure 100 times)
299
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