参数资料
型号: C508
厂商: INFINEON TECHNOLOGIES AG
元件分类: 8位微控制器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8位CMOS微控制器
文件页数: 17/93页
文件大小: 1204K
代理商: C508
C508
Data Sheet
13
2000-08
CPU
The C508 is efficient both as a controller and as an arithmetic processor. It has extensive
facilities for binary and BCD arithmetic and excels in its bit-handling capabilities. Efficient
use of program memory results from an instruction set consisting of 44% one-byte, 41%
two-byte, and 15% three-byte instructions. With a 10 MHz external crystal (giving a
20 MHz CPU clock), 58% of the instructions execute in 300 ns. For an 8 MHz crystal, the
corresponding time is 375 ns.
Special Function Register PSW (Address D0
H
)
Reset Value: 00
H
Bit
CY
Function
Carry Flag
Used by arithmetic instructions.
Auxiliary Carry Flag
Used by instructions which execute BCD operations.
General Purpose Flag 0
Register Bank select control bits
These bits are used to select one of the four register banks.
AC
F0
RS1
RS0
OV
Overflow Flag
Used by arithmetic instructions.
General Purpose Flag 1
Parity Flag
Set/cleared by hardware after each instruction to indicate an odd/
even number of “one” bits in the accumulator.
F1
P
CY
AC
F0
RS1
RS0
OV
F1
P
D0
H
PSW
D7
H
D6
H
D5
H
D4
H
D3
H
D2
H
D1
H
D0
H
Bit No.
MSB
LSB
RS1
0
0
1
1
RS0
0
1
0
1
Function
Bank 0 selected, data address 00
H
-07
H
Bank 1 selected, data address 08
H
-0F
H
Bank 2 selected, data address 10
H
-17
H
Bank 3 selected, data address 18
H
-1F
H
相关PDF资料
PDF描述
C508 Previous Vectron Model Numbers
C509-L 8-Bit CMOS Microcontroller
C509-L 8-Bit CMOS Microcontroller
C513A-2RM 8-Bit CMOS Microcontroller
C513A-HN 8-Bit CMOS Microcontroller
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