UPD78F0535GB(T)-UEU-A NEC, UPD78F0535GB(T)-UEU-A Datasheet - Page 99
UPD78F0535GB(T)-UEU-A
Manufacturer Part Number
UPD78F0535GB(T)-UEU-A
Description
8BIT MCU, 60K FLASH, 3KB RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0535GBT-UEU-A.pdf
(773 pages)
Specifications of UPD78F0535GB(T)-UEU-A
Controller Family/series
UPD78
No. Of I/o's
55
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
60KB
Oscillator Type
External, Internal
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<R>
• Software example
Remark
RAMD
R_BNKA:
R_BNKN:
R_BNKRN: DS
RSAVEAX: DS
ETRC
ENTRY:
BNKC
BNKCAL:
BNKCALS:
BN3
TEST:
END
CHAPTER 4 MEMORY BANK SELECT FUNCTION (
In the software example above, multiplexed processing is not supported.
CSEG
DSEG
DS
DS
MOV
MOVW
CALL
CSEG
MOVW
MOV
XCH
MOV
CALL
MOVW
XCH
MOV
MOVW
RET
MOVW
PUSH
MOVW
RET
CSEG
MOV ⋅⋅⋅
RET
:
:
SADDR
2
1
1
R_BNKN,#BANKNUM TEST
R_BNKA,#TEST
!BNKCAL
AT
A,R_BNKN
R_BNKRN,A
!BNKCALS
A,R_BNKRN
BANK,A
AX,RSAVEAX
AX,R_BNKA
AX,RSAVEAX
AX
BANK3
2
UNIT
RSAVEAX,AX
A,BANK
RSAVEAX,AX
AX
:
:
7000H
User’s Manual U17260EJ6V0UD
; Secures RAM for specifying an address at the calling destination.
; Secures RAM for specifying a memory bank number at the calling destination.
; Secures RAM for saving a memory bank number at the calling source.
; Secures RAM for saving the AX register.
; Store the memory bank number at the calling destination in RAM.
; Stores the address at the calling destination in RAM.
; Branches to an inter-memory bank calling processing routine.
; Inter-memory bank calling processing routine
; Saves the AX register.
; Acquires the memory bank number at the calling destination.
; Changes the bank and acquires the memory bank number at the calling source.
; Saves the memory bank number at the calling source to RAM.
; Calls a subroutine to branch to the calling destination.
; Saves the AX register.
; Acquires the memory bank number at the calling source.
; Specifies the memory bank number at the calling source.
; Restores the AX register.
; Returns to the calling source.
; Specifies the address at the calling destination.
; Sets the address at the calling destination to stack.
; Restores source AX register.
; Branches to the calling destination.
;
PD78F0536, 78F0537, AND 78F0537D ONLY)
99
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