參數(shù)資料
型號: ST6228CN6
廠商: 意法半導(dǎo)體
英文描述: ER 5C 5#16S PIN RECP WALL
中文描述: 8位單片機與微控制器/ D轉(zhuǎn)換器,自動重加載定時器,UART的秘書長辦公室,安全復(fù)位和28引腳封裝
文件頁數(shù): 82/84頁
文件大小: 561K
代理商: ST6228CN6
82/84
82
ST6228C
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST6228C is mask programmed ROM version
of ST62T28C OTP devices.
They offer the same functionality as OTP devices,
selecting as ROM options the options defined in
the programmable option byte of the OTP version.
Figure 1. Programming wave form
1.2 ROM READOUT PROTECTION
If the ROM READOUT PROTECTION option is
selected, a protection fuse can be blown to pre-
vent any access to the program memory content.
In case the user wants to blow this fuse, high volt-
age must be applied on the TEST pin.
Figure 2. Programming Circuit
Note: ZPD15 is used for overvoltage protection
0.5s min
TEST
15
14V typ
10
5
TEST
100mA
max
4mA typ
VR02001
150
μ
styp
t
VR02003
TEST
5V
100nF
47mF
PROTECT
100nF
V
DD
V
SS
ZPD15
15V
14V
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