參數(shù)資料
型號(hào): UPD1724x
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
中文描述: 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì)
文件頁(yè)數(shù): 33/102頁(yè)
文件大?。?/td> 461K
代理商: UPD1724X
33
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
(2) Symbol definition of register file
An error occurs if a register file address is directly specified as a numeral by the operand
rf
of the
PEEK
WR, rf
or
POKE rf, WR
instruction if the 17K Series Assembler (RA17K) is being used.
Therefore, the addresses of the register file must be defined in advance as symbols.
To define the addresses of the control registers as symbols, define them as addresses 80H to BFH of BANK0.
The portion of the register file overlapping the data memory (40H to 7FH), however, can be defined as symbols
as is.
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