Toshiba TMP91C824F Data Book page 20

bit Symbol PROTECT TA3LCDE
Read/Write
EMCCR0
After reset
(00E3H)
Protect flag
0: OFF
Function
1: ON
bit Symbol
Read/Write
EMCCR1
(00E4H)
After reset
Function
bit Symbol
Read/Write
EMCCR2
After reset
(00E5H)
Function
bit Symbol
Read/Write
After reset
EMCCR3
(00E6H)
Function
(note) In case of Vcc=2V±10% use, fixed to EMCCR0<DRV0SCH>='1'.
7 6 5
–
R R/W R/W
0 0 1
LCDC source Write "1"
CLK
0: 32KHz
1: TA3OUT
Switching the protect ON/OFF by write to following 1
st
1 -KEY: EMCCR1=5AH,EMCCR2=A5H in succession write
nd
2 -KEY: EMCCR1=A5H,EMCCR2=5AH in succession write
ENFROM ENDROM ENPROM
R/W R/W
0 0
CS1A area CS2B -2G
detect control area detect
0: disable control
1: enable 0: disable
1: enable
Figure 3.3.5 SFR for noise-reduction
91C824-17
4 3
– – EXTIN
R/W R/W R/W
0 0
Write "0" Write "0" 1: External
clock
FFLAG
R/W R/W
0
CS2A area CS1A write
detect control Operation flag
0: disable
1: enable
When reading
"0" : not written
"1" : written
When writing
"0" : clear flag
TMP91C824
2 1 0
DRVOSCH DRVOSCL
R/W R/W
0 1 1
fc oscillator fs oscillator
driver ability driver ability
1: NORMAL 1: NORMAL
0: WEAK 0: WEAK
st nd
-KEY,2 -KEY
DFLAG PFLAG
R/W R/W
0 0 0
CS2B-2G CS2A write
write Operation
operation Flag
Flag