ST52T301 datasheet(93/100 Pages) STMICROELECTRONICS

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ST52T301 数据表(PDF) 93 Page - STMicroelectronics

部件名	ST52T301

功能描述	8-Bit OTP/EPROM DuaLogic] MCUs WITH ADC, UART, TIMER, TRIAC & PWM DRIVER

PDF	100 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

93 / 100 page

SUB

Subtraction

Format:

SUB regi, regj

Operation:

regi <- regi -regj

Description: The contents of the Register File j-th register specified as source is subtracted from the

destination i-th register, leaving the result in the destination register.

Flags:

Z set if result is zero, cleared otherwise.

S set if underflow, cleared otherwise.

Bytes:

Cycles:

Example:

If the register 4 contains the value 45 and the register 11 contains the value 15, then the

instruction

SUB 4,11

10010010 0100|1011

causes the register 4 of the Register File to be loaded with the value 30.

If the register 4 contains the value 100 and the register 11 contains the value 200, the in-

struction causes the register 4 to be loaded with the value 156 (result+256) and the S

flag to be set.

93/99

ST52T301/E301

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