ST6201C Ver la hoja de datos (PDF) - STMicroelectronics

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ST6201C

8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET

STMicroelectronics 

ST6200C/ST6201C/ST6203C

TRANSFER OF CUSTOMER CODE (Cont’d)

11.6.2 ROM VERSION

The ST6200C, 01C and 03C are mask pro-

grammed ROM version of ST62T00C, T01 and

T03C 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 75. Programming Circuit

5V 4.7µF

100nF

VDD

VSS

PROTECT

VPP

14V

100nF

ZPD15

15V

VR02003

ROM Readout Protection. If the ROM READOUT

PROTECTION option is selected, a protection

fuse can be blown to prevent any access to the

program memory content.

In case the user wants to blow this fuse, high volt-

age must be applied on the VPP pin.

Figure 76. Programming wave form

VPP

15

14V typ

10

5

0.5s min

100 µs max

VPP

400mA

max

4mA typ

150 µs typ

t

VR02001

Note: ZPD15 is used for overvoltage protection

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