參數(shù)資料
型號(hào)： HT48E50
廠商： Holtek Semiconductor Inc.
英文描述： I/O Type 8-Bit MTP MCU With EEPROM
中文描述： I / O型8位微控制器帶有EEPROM中期計(jì)劃
文件頁(yè)數(shù)： 30/46頁(yè)
文件大小： 303K
代理商： HT48E50
CPLA [m]
Complement data memory and place result in the accumulator
Description
Each bit of the specified data memory is logically complemented (1 s complement). Bits
which previously contained a 1 are changed to 0 and vice-versa. The complemented result
is stored in the accumulator and the contents of the data memory remain unchanged.
Operation
ACC
[m]
Affected flag(s)
TO
PDF
OV
Z
AC
C
DAA [m]
Decimal-Adjust accumulator for addition
Description
The accumulator value is adjusted to the BCD (Binary Coded Decimal) code. The accumu-
lator is divided into two nibbles. Each nibble is adjusted to the BCD code and an internal
carry (AC1) will be done if the low nibble of the accumulator is greater than 9. The BCD ad-
justment is done by adding 6 to the original value if the original value is greater than 9 or a
carry (AC or C) is set; otherwise the original value remains unchanged. The result is stored
in the data memory and only the carry flag (C) may be affected.
Operation
If ACC.3~ACC.0 >9 or AC=1
then [m].3~[m].0
(ACC.3~ACC.0)+6, AC1=AC
else [m].3~[m].0
and
If ACC.7~ACC.4+AC1 >9 or C=1
(ACC.3~ACC.0), AC1=0
then [m].7~[m].4
ACC.7~ACC.4+6+AC1,C=1
else [m].7~[m].4
ACC.7~ACC.4+AC1,C=C
Affected flag(s)
TO
PDF
OV
Z
AC
C
DEC [m]
Decrement data memory
Description
Data in the specified data memory is decremented by 1.
Operation
[m]
[m] 1
Affected flag(s)
TO
PDF
OV
Z
AC
C
DECA [m]
Decrement data memory and place result in the accumulator
Description
Data in the specified data memory is decremented by 1, leaving the result in the accumula-
tor. The contents of the data memory remain unchanged.
Operation
ACC
[m] 1
Affected flag(s)
TO
PDF
OV
Z
AC
C
HT48E50
Rev. 0.00
30
September 29, 2004
Preliminary
相關(guān)PDF資料
PDF描述
HT48R05A-1 8-Bit High Performance RISC-like OTP Microcontroller(8位、高性能、類似RISC、一次可編程微控制器，用于多I/O接口設(shè)備)
HT48R05A 8-Bit OTP Microcontroller
HT48R06A-1 8-Bit High Performance RISC-like OTP Microcontroller(8位、高性能、類似RISC、一次可編程微控制器，用于多I/O接口設(shè)備)
HT48R10A-1 8-Bit High Performance RISC-like Microcontroller Suitable for Multiple I/O Application(高性能、指令類似RISC的8位微控制器，用于多I/O接口設(shè)備)
HT48R10A 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT48E70 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MTP MCU With EEPROM
HT48F06E 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Flash Type MCU with EEPROM
HT48F06E_09 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Flash Type MCU with EEPROM
HT48F06E-18DIPLF 制造商:Holtek Semiconductor Inc 功能描述:8BIT MCU 1K FLASH 1K EEPROM DIP
HT48F10E 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Flash Type MCU with EEPROM
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