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EM78P156N

OTP ROM

Table 5 The Summary of the Initialized Values for Registers

Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Bit Name X X X X C53 C52 C51 C50

Power-On U U U U 1 1 1 1

/RESET and WDT U U U U 1 1 1 1

N/A IOC5

Wake-Up from Pin Change U U U U P P P P

Bit Name C67 C66 C65 C64 C63 C62 C61 C60

Power-On 1 1 1 1 1 1 1 1

/RESET and WDT 1 1 1 1 1 1 1 1

N/A IOC6

Wake-Up from Pin Change P P P P P P P P

Bit Name X /INT TS TE PAB PSR2 PSR1 PSR0

Power-On 1 0 1 1 1 1 1 1

/RESET and WDT 1 0 1 1 1 1 1 1

N/A CONT

Wake-Up from Pin Change P P P P P P P P

Bit Name - - - - - - - -

Power-On U U U U U U U U

/RESET and WDT P P P P P P P P

0x00 R0(IAR)

Wake-Up from Pin Change P P P P P P P P

Bit Name - - - - - - - -

Power-On 0 0 0 0 0 0 0 0

/RESET and WDT 0 0 0 0 0 0 0 0

0x01 R1(TCC)

Wake-Up from Pin Change P P P P P P P P

Bit Name - - - - - - - -

Power-On 0 0 0 0 0 0 0 0

/RESET and WDT 0 0 0 0 0 0 0 0

0x02 R2(PC)

Wake-Up from Pin Change **0/P **0/P **0/P **0/P **1/P **0/P **0/P **0/P

Bit Name GP2 GP1 GP0 T P Z DC C

Power-On 0 0 0 1 1 U U U

/RESET and WDT 0 0 0 t t P P P

0x03 R3(SR)

Wake-Up from Pin Change P P P t t P P P

Bit Name - - - - - - - -

Power-On 1 1 U U U U U U

/RESET and WDT 1 1 P P P P P P

0x04 R4(RSR)

Wake-Up from Pin Change 1 1 P P P P P P

Bit Name X X X X P53 P52 P51 P50

Power-On 0 0 0 0 U U U U

/RESET and WDT 0 0 0 0 P P P P

0x05 P5

Wake-Up from Pin Change 0 0 0 0 P P P P

Bit Name P67 P66 P65 P64 P63 P62 P61 P60

0x06 P6

Power-On U U U U U U U U

This specification is subject to change without prior notice. 22 07.29.2004 (V1.2)