EM78862B View Datasheet(PDF) - ELAN Microelectronics
Part Name
Description
MFG CO.
'EM78862B' PDF : 40 Pages View PDF
EM78862B
8-Bit RISC Type Microprocessor
For other registers (Bit7 & Bit 0), refer below:
R5 = PORT
IOC5 = "11110000"
R6 = PORT
IOC6 = "11111111"
R7 = PORT
IOC7 = "11111111"
R8 = PORT
IOC8 = "11111111"
R9 = PORT
IOC9 = "11111111"
RA = "x00x0xxx
IOCA = "00000000"
RB = "11111111"
Page0 IOCB = "00000000"
RC = "00000000"
Page0 IOCC = "0xxxxxxx"
RD = "xxxxxxxx"
Page0 IOCD = "00000000"
RE = "00000000"
Page0 IOCE = "00000000"
RF = "00000000"
IOCF = "00000000"
Page1 IOCB = "00000000"
Page1 IOCC = "00000000"
Page1 IOCD = "00000000"
Page1 IOCE = "00000000"
The controller can be awakened from Sleep mode and Idle mode. The wake-up signals are
listed below.
Wake-Up Signal
TCC time out
IOCF Bit0=1
INT0 pin
IOCF Bit1=1
INT1 pin
IOCF Bit2=1
INT2 pin
IOCF Bit3=1
INT3 pin
IOCF Bit7=1
Sleep Mode
RA(7,6)=(0,0)
+ SLEP
X
X
X
X
X
Idle Mode
RA(7,6)=(1,0)
+ SLEP
Wake-up
+ Interrupt
+ Next instruction
Wake-up
+ Interrupt
+ Next instruction
Wake-up
+ Interrupt
+ Next instruction
Wake-up
+ Interrupt
+ Next instruction
Wake-up
+ Interrupt
+ Next instruction
Green Mode
RA(7,6)=(x,0)
No SLEP
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
Normal Mode
RA(7,6)=(x,1)
No SLEP
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
Port9 (input status
change wake-up)
RESET
Wake-up
+ Next instruction
X
X
WDT time out
RESET
Wake-up+ next
instruction
RESET
RESET
X=No function
This specification is subject to change without further notice.
Mar.01.2005 (V1.1)21 of 36
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