EM78P809N
8-Bit Microcontroller
4.2 Operating Registers
REGISTER
BANK 0
REGISTER
BANK 1
REGISTER
BANK 2
REGISTER
BANK 3
CONTROL
REGISTER
Address
00
R0/ IAR
R1/ TCC
R2/ PC
R3/ SR
R4/ RSR
SCR
01
02
03
R3 (7,6)= (0,1)
R3 (7,6)= (1,0)
R3 (7,6)= (1,1)
04
TC3CR
TC3DA
URC1
URC2
SPIC1
SPIC2
Reserved
IOC6
05
PORT6
PORT7
PORT8
PORT9
Reserved
TC4CR
TC4D
06
TC3DB
URS
SPID
IOC7
07
TC2CR/ ADDL
TC2DH
URRD
Reserved
Reserved
PHC1
IOC8
08
URTD
IOC9
09
TC2DL
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
INTCR
ADOSCR
Reserved
IMR1
0A
0B
0C
0D
0E
0F
ADCR
PLC1
ADIC
PHC2
ISFR0
ADDH
PLC2
ISFR1
TBKTC
Reserved
Reserved
Reserved
ISFR2
IMR2
10
:
16 Byte
Common Register
1F
BANK 0
R4 (7,6) = (0,0)
BANK 1
R4 (7,6) = (0,1)
BANK2
R4 (7,6) = (1,0)
BANK 3
R4 (7,6) = (1,1)
20
:
3F
32 Byte
Common Register
32 Byte
Common Register
32 Bytes
Common Register
32 Bytes
Common Register
Fig. 3. Operating Registers
6 •
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
