參數(shù)資料
型號(hào)： SAK-C505L
廠商： INFINEON TECHNOLOGIES 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(yè)數(shù)： 57/85頁(yè)
文件大小： 487K
代理商： SAK-C505L
C505L
Data Sheet
55
06.99
V
SS
49, 70
–
Circuit ground potential
Must be applied in programming mode.
V
DD
50, 69
–
Power supply terminal
Must be applied in programming mode.
A0-A7,
A8-A14
(Port 2)
60-53
I
Address lines
Multiplexed address input lines A0-A7 and A8-A14. A8-A14
must be latched with PALE.
PSEN
44
I
Program Store ENable
This input must be at static “0” level during the whole
programming mode.
PROG
45
I
PROGramming mode write strobe
This input is used in programming mode as a write strobe for
OTP memory program, and lock-bit write operations. During
basic programming mode selection a low level must be applied
to PROG.
EA/
V
PP
46
–
Programming voltage
This pin must be at 11.5 V (
V
PP
) voltage level during
programming of an OTP memory byte or lock-bit. During an
OTP memory read operation, this pin must be at
V
IH
high level.
This pin is also used for basic programming mode selection. At
basic programming mode selection a low level must be applied
to EA/
V
PP
.
Data lines 0-7
During programming mode, data bytes are transferred via the
bidirectional D7-D0 lines that are located at port 0 pins.
D7-D0
(Port 0)
68-61
I/O
N.C.
1-37, 51-52,
71-80
–
Not Connected
These pins should not be connected in programming mode.
*) I = Input
O= Output
Table 11
Pin Definitions and Functions of the C505L in Programming Mode
(cont’d)
Symbol
Pin Number
I/O *) Function
P-MQFP-80
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