参数资料
型号: S3P9664-SK
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO20
封装: 0.300 INCH, SOP-20
文件页数: 86/148页
文件大小: 784K
代理商: S3P9664-SK
S3C9664/P9664 (Preliminary Spec)
CONTROL REGISTERS
4-17
FLAGS — System Flags Register
Page 0, D5H
Bit Identifier
.7
.6
.5
.4
.3
.2
.1
.0
RESET
RESET Value
0
Read/Write
R/W
.7
Carry Flag (C)
0
Operation does not generate a carry or borrow condition
.6
Zero Flag (Z)
0
Operation result is a non-zero value
1
Operation result is zero
.5
Sign Flag (S)
0
Operation generates a positive number (MSB = "0")
1
Operation generates a negative number (MSB = "1")
.4
Overflow Flag (V)
0
Operation result is
≤ +127 or ≥ –128
1
Operation result is
≥ +127 or ≤ –128
.3 – .0
Not used for S3C9664
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