參數(shù)資料
型號(hào): ST6228C
英文描述: 8-BIT MICROCONTROLLER ( MCU ) WITH OTP. ROM. FASTR A/D CONVERTER. 8-BIT AUTO-RELOAD TIMER. UART. OSG. SAFE RESET AND 28 PINS
中文描述: 8位微控制器(MCU)的與檢察官辦公室。光盤(pán)。 FASTR的A / D轉(zhuǎn)換器。 8位自動(dòng)重加載定時(shí)器。 UART的。業(yè)務(wù)支助。安全復(fù)位和28個(gè)引腳
文件頁(yè)數(shù): 80/84頁(yè)
文件大?。?/td> 969K
代理商: ST6228C
80/84
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
t
0.5s min
TEST
15
14V typ
10
5
TEST
100mA
max
4mA typ
VR02001
150 μs typ
5V
V
DD
47mF
14V
VR02003
TEST
100nF
PROTECT
100nF
V
SS
ZPD15
15V
80
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