MB89160/160A Series
■ MASK OPTIONS
Part number
MB89161/3/5
MB89P165
MB89PV160
Specify when
ordering masking
Set with EPROM
programmer
Specifying procedure
Setting not possible
Slectable per pin
Pull-up resistors (SEG)
P00 to P07, P10 to P17,
P20 to P27, P40 to P47,
P50 to P57, P60 to P67
Can be set per pin
(P20 to P27, P40 to
P47, and P60 to P67
are available only for
without a pull-up
resistor.)
(The pull-up resistors for
P40 to P47 and P60 to
P67 are only selectable
when these pins are not
set as segment outputs.
When the A/D is used,
P50 to P57 are must not
selected.)
Fixed to without
pull-up resistor
Power-on reset (POR)
With power-on reset
Without power-on reset
Fixed to with power-on
reset
Selectable
Selectable
Selection of oscillation stabilization
time (OSC)
Selectable
OSC
0
1
2
3
Selectable
WTM1 WTM0
• The initial value of the oscillation
stabilization time for the main clock
can be set by selecting the values of
the WTM1 and WTM0 bits on the
right.
Fixed to oscillation
stabilization time of
216/FCH
: 22/FCH
: 212/FCH
: 216/FCH
: 218/FCH
0
0
1
1
0
1
0
1
: 22/FCH
: 212/FCH
: 216/FCH
: 218/FCH
Main clock oscillation type (XSL)
Crystal or ceramic resonator
CR
Fixed to crystal or
ceramic
Selectable
Selectable
Selectable
Crystal or ceramic only
Selectable
Reset pin output (RST)
With reset output
Fixed to with reset
output
Without reset output
Clock mode selection (CLK)
Dual-clock mode
Fixed to dual-clock
mode
Selectable
Single-clock mode
53
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