EM78P221/2N
8-Bit Microcontroller with OTP ROM
Product Specification (V1.0) 10.19.2007 • 31
(This specification is subject to change without further notice)
Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit Name P77 P76 P75 P74 P73 P72 P71 P70
Power-on U U U U U U U U
/RESET & WDT U U U U U U U U
0x07 Bank 0-R7
Wake-up from
Pin Change P P P P P P P P
Bit Name - - NREN - - - P81 P80
Power-on 0 0 0 0 0 0 U U
/RESET & WDT 0 0 0 0 0 0 U U
0x8 Bank 0-R8
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 & WDT 0 0 0 0 0 0 0 0
0x9
~
0XD
Bank 0-
R9~RD
(Reserve) Wake-up from
Pin Change P P P P P P P P
Bit Name EX1IF - - ICWE - CMPWE - CMPIF
Power-on 0 0 0 0 0 0 0 0
/RESET & WDT 0 0 0 0 0 0 0 0
0xE
Bank 0-
RE
(WUCR) Wake-up from
Pin Change P P P P P P P P
Bit Name - - - - - EX0IF I CIF TCIF
Power-on 0 0 0 0 0 0 0 0
/RESET & WDT 0 0 0 0 0 0 0 0
0xF Bank 0-
RF (ISR)
Wake-up from
Pin Change P P P P P P P P
Bit Name C57 C56 C55 C54 C53 C52 C51 C50
Power-on 1 1 1 1 1 1 1 1
/RESET & WDT 1 1 1 1 1 1 1 1
0x05 Bank 1-R5
Wake-up from
Pin Change P P P P 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 & WDT 1 1 1 1 1 1 1 1
0x06 Bank 1-R6
Wake-up from
Pin Change P P P P P P P P
Bit Name C77 C76 C75 C74 C73 C72 C71 C70
Power-on 1 1 1 1 1 1 1 1
/RESET & WDT 1 1 1 1 1 1 1 1
0x07 Bank 1-R7
Wake-up from
Pin Change P P P P P P P P