参数资料
型号: JA58560N
厂商: Electronic Theatre Controls, Inc.
英文描述: Mask-ROM 8-Bit CMOS Micro-controller
中文描述: 掩膜ROM的8位CMOS微控制器
文件页数: 8/16页
文件大小: 225K
代理商: JA58560N
JA58560
y
Status (Status Register) : 03H
The content of Status register is listed in Table.
Bit
Symbol
Description
0
C
Carry/borrow bit
ADDAR = 1, a carry occurred
= 0, a carry did not occur
SUBAR
= 1, a borrow did not occur
= 0, a borrow occurred
1
DC
Half carry/half borrow bit
ADDAR
= 0, a carry from the 4th low order bit of the result did not occur
SUBAR
= 1, a borrow from the 4th low order bit of the result did not occur
= 0, a borrow from the 4th low order bit of the result occurred
= 1, a carry from the 4th low order bit of the result occurred
2
Z
Zero bit
= 1, the result of a logic operation is zero
= 0, the result of a logic operation is not zero
3
PD
Power down flag bit:
= 1, after power-up or by the CLRWDT instruction
= 0, by the SLEEP instruction
4
TO
Time overflow flag bit:
= 1, after power-up or by the CLRWDT or SLEEP instruction
= 0, a WDT time-overflow occurred
5~7
-
Reserved
y
FSR (File select register pointer): 04H
Bit 0~4 are used to select up to 32 registers (address: 00h~1Fh). In JA58560, Bit 5~7 were fixed 1.
The indirect addressing mode shows as below:
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Data Memory Configuration
16-8 Ver. 1.1
TEL
Κ
886-3-5770755 FAX
Κ
886-3-5770756 E-mail
Κ
sales@jaztek.com.tw Web-site
Κ
www.jaztek.com.tw
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