HD404889/HD404899/HD404878/HD404868 Series
32
RAM address
HD404899 Series
Bit 3
Bit 2
Bit 1
Bit 0
$000
$003
$004
$005
$006
$007
$008
$009
$00A
$00B
$00C
$00D
$00E
$00F
$010
$011
$012
$013
$014
$015
$016
$017
$018
$019
$01A
$01B
$01C
$01F
$020
$023
$024
$025
$026
$027
$028
$029
$02A
$02B
$02C
$02D
$02E
$02F
$030
$031
$032
$033
$034
$035
$036
$037
$038
$039
$03A
$03B
$03C
$03D
$03E
$03F
SSR
MIS
ESR
PMR0
PMR1
PMR2
PMR3
PMR4
MSR1
MSR2
TMA
TMB1
TMB2
TRBL/TWBL
TRBU/TWBU
TMC1
TMC2
TRCL/TWCL
TRCU/TWCU
TMD1
TMD2
TRDL/TWDL
TRDU/TWDU
SMR1
SMR2
SRL
SRU
AMR
ADRL
ADRM
ADRU
LCR
LMR
BMR
DCD0
DCD1
DCD2
DCR0
DCR1
DCR2
DCR3
DCR4
DCR5
DCR6
DCR7
DCR8
V
Interrupt control bit area
32 kHz oscillation stop setting
Pull-up MOS control
32 k ratio selection
Not used
System clock selection
Interrupt frame period selection
INT1 edge detection selection
Not used
division ratio switching
D
1
/INT
1
R0
1
/
WU
1
R1
1
/EVND
R2
1
/
SCK
R4/SEG5~8
D
0
/
INT
0
R0
0
/
WU
0
R1
0
/EVNB
R2
0
/TOC
R3/SEG1~4
R0
3
/
WU
3
R1
3
/TOB
R0
2
/
WU
2
R1
2
/BUZZ
R2
2
/SI/SO
R6/SEG13~16
Not used
R5/SEG9~12
Timer D clock on/off
Not used
Timer C clock on/off
A/D clock on/off
Timer B lock on/off
Serial clock on/off
Timer A clock source selection
Timer B clock source selection
EVNB edge detection selection
Timer B register (lower)
Timer B register (upper)
Timer C clock source selection
Timer C output mode selection
Timer C register (lower)
Timer C register (upper)
Timer D clock source selection
Reload on/off
Not used
Reload on/off
Not used
Timer B output mode setting
EVND edge detection selection
Timer D register (lower)
Timer D register (upper)
Serial data register (lower)
Serial data register (upper)
Analog channel selection
A/D data register (lower)
A/D data register (middle)
A/D data register (upper)
Rdisplay selection
Clock output on/off
Buzzer/clock selection
Reload on/off
Not used
Input capture selection
Register flag area
Serial transfer clock speed selection
R2
2
/SI/SO PMOS control
SO idle H/L setting
A/D conversion time
Not used
Poresistor switch
On-chip power supply switch
Display on/off
Duty selection
Buzzer/clock source selection
PortD
3
DCR
PortD
7
DCR
PortD
11
DCR
PortD
2
DCR
PortD
6
DCR
PortD
10
DCR
PortD
1
DCR
PorD
5
DCR
PortD
9
DCR
PortD
0
DCR
PortD
4
DCR
PortD
8
DCR
PortR0
3
DCR
PortR1
3
DCR
PortR2
3
DCR
PortR3
3
DCR
PortR4
3
DCR
PortR5
3
DCR
PortR6
3
DCR
PortR7
3
DCR
PortR0
2
DCR
PortR1
2
DCR
PortR2
2
DCR
PortR3
2
DCR
PortR4
2
DCR
PortR5
2
DCR
PortR6
2
DCR
PortR7
2
DCR
PortR0
1
DCR
PortR1
1
DCR
PortR2
1
DCR
PortR3
1
DCR
PortR4
1
DCR
PortR5
1
DCR
PortR6
1
DCR
PortR7
1
DCR
PortR8
1
DCR
PortR0
0
DCR
PortR1
0
DCR
PortR2
0
DCR
PortR3
0
DCR
PortR4
0
DCR
PortR5
0
DCR
PortR6
0
DCR
PortR7
0
DCR
PortR8
0
DCR
Bank setting
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
TimerA/Timer base
Not used
Not used
Figure 5 Special Function Register Area (cont)