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EM78P221/2N
8-Bit Microcontroller with OTP ROM
32 •
Product Specification (V1.0) 10.19.2007
(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
- - -
ICE
220N
211N
212N
ICE
220N
211N
212N
ICE
220N
211N
212N
C81 C80
Power-on
0 0 0 1 0 1 0 1 0 1 1
/RESET & WDT
0 0 0 1 0 1 0 1 0 1 1
0x8 Bank 1-R8
Wake-up from
Pin Change
P P P 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
Bank 1-R9
(Reserve)
Wake-up from
Pin Change
P P P P P P P P
Bit Name
EIS1 EIS0
CMP
OUT
CMP
COS1
CMP
COS0
- - -
Power-on
0 0 0 0 0 0 0 0
/RESET & WDT
0 0 0 0 0 0 0 0
0xA
Bank 1-RA
(CMPCON)
Wake-up from
Pin Change
P P P P P P P P
Bit Name
/PD7 /PD6 /PD5 /PD4 /PD3 /PD2 /PD1 /PD0
Power-on
1 1 1 1 1 1 1 1
/RESET & WDT
1 1 1 1 1 1 1 1
0xB Bank 1-RB
Wake-up from
Pin Change
P P P P P P P P
Bit Name
/OD7 /OD6 /OD5 /OD4 /OD3 /OD2 /OD1 /OD0
Power-on
1 1 1 1 1 1 1 1
/RESET & WDT
1 1 1 1 1 1 1 1
0xC Bank 1-RC
Wake-up from
Pin Change
P P P P P P P P
Bit Name
/PH7 /PH6 /PH5 /PH4 /PH3
/PH2 /PH1 /PH0
Power-on
1 1 1 1 1 1 1 1
/RESET & WDT
1 1 1 1 1 1 1 1
0xD Bank 1-RD
Wake-up from
Pin Change
P P P P P P P P
Bit Name
WDTE - PSWE PSW2 PSW1 PSW0 - CMPIE
Power-on
0 0 0 0 0 0 0 0
/RESET & WDT
0 0 0 0 0 0 0 0
0xE Bank 1-RE
Wake-up from
Pin Change
P P P P P P P P