Otp rom, 12 oscillator, Oscillator modes – ELAN Home Systems EM78P458 User Manual
Page 45
EM78P458/459
OTP ROM
Address
Name
Reset Type
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Wake-up
from
Pin
Changed
P P P P P P P P
Bit
Name
P57 P56 P55 P54 P53 P52 P51 P50
Power-on
1 1 1 1 1 1 1 1
/RESET
and
WDT 1 1 1 1 1 1 1 1
0x05 P5
Wake-up
from
Pin
Changed
P P P P P P P P
Bit Name
P67
P66
P65
P64
P63 P62 P61 P60
Power-on
1 1 1 1 1 1 1 1
/RESET
and
WDT 1 1 1 1 1 1 1 1
0x06 P6
Wake-up
from
Pin
Changed
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
0x7~0x8 R7~R8
Wake-up
from
Pin
Changed
P P P P P P P P
Bit Name
X
X
IOCS
ADRUN
ADPD
ADAS2
ADAS1
ADAS0
Power-on
0 0 0 0 0 0 0 0
/RESET
and
WDT 0 0 0 0 0 0 0 0
0x9
R9
(ADCON)
Wake-up
from
Pin
Changed
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
0xA
RA
(ADDDATA)
Wake-up
from
Pin
Changed
P P P P P P P P
Bit
Name
Bit7 Bit6 Bit5 Bit4 Bit3
Bit2
Bit1
Bit0
Power-on
0 0 0 0 0 0 0 0
/RESET
and
WDT 0 0 0 0 0 0 0 0
0xB
RB
(TMR1L)
Wake-up
from
Pin
Changed
P P P P P P P P
Bit
Name
X X X X X
X
Bit1
Bit0
Power-on
0 0 0 0 0 0 0 0
/RESET
and
WDT 0 0 0 0 0 0 0 0
0xC
RC
(TMR1H)
Wake-up
from
Pin
Changed
0 0 0 0 0 0 P P
Bit
Name
Bit7 Bit6 Bit5 Bit4 Bit3
Bit2
Bit1
Bit0
Power-on
0 0 0 0 0 0 0 0
/RESET
and
WDT 0 0 0 0 0 0 0 0
0xD
RD
(TMR2L)
Wake-up
from
Pin
Changed
P P P P P P P P
Bit
Name
X X X X X
X
Bit1
Bit0
Power-on
0 0 0 0 0 0 0 0
/RESET
and
WDT 0 0 0 0 0 0 0 0
0xE
RE
(TMR2H)
Wake-up
from
Pin
Changed
0 0 0 0 0 0 P P
Bit Name
X
CMPIF
PWM2IF PWM1IF
ADIF
EXIF
ICIF
TCIF
Power-on
0 0 0 0 0 0 0 0
/RESET
and
WDT 0 0 0 0 0 0 0 0
0xF
RF
(ISR)
Wake-up
from
Pin
Changed
0 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
0x10~0x3F R10~R3F
Wake-up
from
Pin
Changed
P P P P P P P P
X: not used. U: unknown or don’t care.
P: previous value before reset.
t: check Table 5
4.12 Oscillator
1. Oscillator Modes
This specification is subject to change without prior notice. 07.01.2003 (V1.3)
45
The EM78P458 and EM78P459 can be operated in four different oscillator modes, such as High
XTAL oscillator mode (HXT), Low XTAL oscillator mode (LXT), External RC oscillator mode (ERC),
and RC oscillator mode with Internal capacitor (IC). Users can select one of them by programming the