HD404849 Datasheet, PDF (12/125 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

HD404849 Series
$000
bit3
bit2
bit1
bit0
$003
PMRA $004
SMRA $005
SRL $006
SRU $007
TMA $008
TMB1 $009
TRBL/TWBL $00A
TRBU/TWBU $00B
MIS $00C
TMC1 $00D
TRCL/TWCL $00E
TRCU/TWCU $00F
TMD1 $010
TRDL/TWDL $011
TRDU/TWDU $012
TMB2 $013
TMC2 $014
TMD2 $015
AMR $016
ADRL $017
ADRU $018
Interrupt control bits area
Not used
R21/ SCK
Not used
R22/SI
R23/SO
Serial transmit clock speed selection 1
Serial data register (lower digit)
Serial data register (upper digit)
Timer A/time base
Clock source selection (timer A)
Auto reload
on/off
Clock source selection (timer B)
Timer B register (lower digit)
Timer B register (upper digit)
Pull-up MOS control PMOS SO control
Interrupt frame period selection
Auto reload
on/off
Clock source selection (timer C)
Timer C register (lower digit)
Timer C register (upper digit)
Auto reload
on/off
Clock source selection (timer D)
Timer D register (lower digit)
Timer D register (upper digit)
Not used
Not used
Timer B output mode selection
Not used
Timer C output mode selection
Input capture
selection
Timer D output mode selection
Analog channel selection
A/D conversion period
A/D data register (lower digit)
A/D data register (upper digit)
Not used
LCR $01B
LMR $01C
*1
*2
LCD input clock source selection
LCD power switch LCD display on/off
LCD duty cycle selection
Not used
LOR3 $01F
$020
$023
PMRB $024
PMRC $025
ESR1 $026
ESR2 $027
SMRB $028
SSR $029
Not used
R7/SEG17–20
R6/SEG13–16
Not used
Register flag area
Not used
D11/INT0
R02/INT3
D10/STOPC
INT3 detection edge selection
EVND detection edge selection
Not used
Not used
32-kHz oscillation stop
*5
R01/INT2
R20/EVND
R00 /INT1
R13/EVNB
INT2 detection edge selection
Not used
Not used
*3
*4
*6
Not used
Not used
DCD0 $02C
DCD1 $02D
DCD2 $02E
DCR0 $030
DCR1 $031
DCR2 $032
DCR3 $033
Port D3 DCR
Port D7 DCR
Not used
Port R03 DCR
Port R13 DCR
Port R23 DCR
Port R33 DCR
Port D2 DCR
Port D1 DCR
Port D6 DCR
Port D5 DCR
Not used
Not used
Not used
Port R02 DCR
Port R01 DCR
Port R12 DCR
Port R11 DCR
Port R22 DCR
Port R21 DCR
Port R32 DCR
Port R31 DCR
Port D0 DCR
Port D4 DCR
Port D8 DCR
Port R00 DCR
Port R10 DCR
Port R20 DCR
Port R30 DCR
DCR6 $036
DCR7 $037
Port R63 DCR
Port R73 DCR
Not used
Port R62 DCR
Port R72 DCR
Port R61 DCR
Port R71 DCR
Port R60 DCR
Port R70 DCR
Not used
V $03F
Not used
Not used
Not used
Bank selection
Notes: 1. LCD display division resistor switch
2. Display on/off in watch mode
3. SO output level control in idle states
4. Transmit clock source selection
5. 32-kHz oscillation division ratio
6. System oscillation frequency selection
Figure 5 Special Function Register Area
12