參數資料
型號： C505-LM
廠商： SIEMENS AG
元件分類： 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
文件頁數： 52/85頁
文件大小： 335K
代理商： C505-LM
Semiconductor Group
52
1997-12-01
C505 / C505C
C505A / C505CA
OTP Memory Operation (C505A and C505CA only)
The C505A/C505CA contains a 32k byte one-time programmable (OTP) program memory. With the
C505A/C505CA fast programming cycles are achieved (1 byte in 100
μ
sec). Also several levels of
OTP memory protection can be selected.
For programming of the device, the C505A/C505CA must be put into the programming mode. This
typically is done not in-system but in a special programming hardware. In the programming mode
the C505A/C505CA operates as a slave device similar as an EPROM standalone memory device
and must be controlled with address/data information, control lines, and an external 11.5V
programming voltage.
Figure 26
shows the pins of the C505A/C505CA which are required for
controlling of the OTP programming mode.
Figure 26
Programming Mode Configuration
PMSEL1
PMSEL0
XTAL2
XTAL1
D0 - D7
V
SS
V
CC
C505A
C505CA
MCS03637
PALE
EA /
PROG
PRD
RESET
PSEN
PSEL
V
PP
Port 2
Port 0
A0 - A7 /
A8 - A14
相關PDF資料
PDF描述
C505A-4EM 8-Bit CMOS Microcontroller
C505C-LM 8-Bit CMOS Microcontroller
C505CA-2R 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
C505CA-4E 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
C505CA-4R 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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