ST62P08C ST Microelectronics, ST62P08C Datasheet - Page 98

• Manufacturer Part Number: ST62P08C
• Description: (ST62P08C - ST62P20C) 8-BIT MCU
• Manufacturer: ST Microelectronics

ST6208C/ST6209C/ST6210C/ST6220C
TRANSFER OF CUSTOMER CODE (Cont’d)
12.6.2 ROM VERSION
The ST6208C, 09C, 10C and 20C are mask pro-
grammed ROM version of ST62T08C, T09C,
T10C and T20C 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 5. Programming Circuit
Note: ZPD15 is used for overvoltage protection
98/105
1
TEST
V
V
DD
SS
5V
100nF
4.7 F
100nF
PROTECT
ZPD15
15V
VR02003
14V
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 TEST pin.
Figure 6. Programming wave form
4mA typ
14V typ
400mA
TEST
TEST
max
15
10
5
150 s typ
0.5s min
VR02001
t