參數(shù)資料
型號: 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
文件頁數(shù): 56/85頁
文件大?。?/td> 487K
代理商: SAK-C505L
C505L
Data Sheet
54
06.99
Table 11
is a functional description of all C505L pins that are required for OTP memory
programming.
Table 11
Pin Definitions and Functions of the C505L in Programming Mode
Symbol
Pin Number
I/O *) Function
P-MQFP-80
RESET
43
I
Reset
This input must be at static “1” (active) level during the whole
programming mode.
PMSEL0
PMSEL1
42
41
I
I
Programming Mode SELection pins
These pins are used to select the different access modes in
programming mode. PMSEL1,0must satisfya setuptime to the
rising edge of PALE. When the logic level of PMSEL1,0 is
changed, PALE must be at low level.
PSEL
40
I
Basic Programming Mode SELect
This input is used for the basic programming mode selection
and must be switched according to
Figure 28
.
PRD
39
I
Programming mode ReaD strobe
This input is used for read access control for OTP memory
read, version byte read, and lock-bit read operations.
PALE
38
I
Programming Address Latch Enable
PALE is used to latch the high address lines. The high address
lines must satisfy a setup and hold time to/from the falling edge
of PALE. PALE must be at a low level when the logic level of
PMSEL1,0 is changed.
XTAL2
47
O
XTAL2
Output of the inverting oscillator amplifier.
XTAL1
48
I
XTAL1
Input to the oscillator amplifier.
*) I = Input
O= Output
PMSEL1
PMSEL0
Access Mode
0
0
Reserved
0
1
Read signature bytes
1
0
Program/read lock-bits
1
1
Program/read OTP memory byte
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