UPI-C42/UPI-L42

Table3. Signature Mode Table

Address Device No.of

Type Bytes

TestCode/Checksum 0 0FH ROM/OTP 25

16H 1EH

IntelSignature 10H 11H ROM/OTP 2

UserSignature 12H 13H OTP 2

TestSignature 14H 15H ROM/OTP 2

SecurityByte 1FH or 3FH ROM/OTP 2

UPI-C42Intel Signature 20H 21H ROM/OTP 2

UserDefined UPI-C42 OTP E PROM Space 22H 3EH ROM/OTP 30

ACCESS CODE

The following table summarizes the access codes required to invoke the Sync Mode, Signature Mode,

and the Security Bit, respectively. Also, the programming and verification modes are included for

comparison.

ControlSignals DataBus AccessCode
Modes Port2 Port 1
T0 RST SS EA PROG VDD VCC 0123456701230 1 234567
Programming 0 0 1 HV 1 VDDH VCC Address Addr a0a1XXXXXX
Mode 0 1 1 HV STB VDDH VCC DataIn Addr
Verification 0 0 1 HV 1 VCC VCC Address Addr a0a1XXXXXX
Mode 111HV1V
CC VCC DataOut Addr
SyncMode STB 0 HV 0 X VCC VCC XXXXXXXXXXX XXXXXXXX
High
Signature Prog 0 0 1 HV 1 VDDH VCC Addr. (see Sig Mode Table) 0 0 0 0 1 1 1 1 X X 1
Mode 0 1 1 HV STB VDDH VCC DataIn 0 0 0
Verify 0 0 1 HV 1 VCC VCC Addr.(see Sig Mode Table) 0 0 0
111HV1V
CC VCC DataOut 0 0 0
Security Prog 0 0 1 HV 1 VDDH VCC Address 0 0 0
Bit/Byte 0 1 1 HV STB VDDH VCC DataIn 0 0 0
Verify 0 0 1 HV 1 VCC VCC Address 0 0 0
111HV1V
CC VCC DataOut 0 0 0
NOTE:
1. a0e0or1;a
1e0or1.a
0must ea1.
12