MB89630R Series
54
I
MASK OPTIONS
* :Pull-up resistors cannot be set for P50 to P53.
No.
Part number
MB89635R
MB89636R
MB89637R
MB89P637
MB89W637
MB89PV630
MB89T635R
MB89T637R
Specifying procedure
Specify when
ordering
masking
Set with EPROM
programmer
Setting not possible
1
Pull-up resistors
P00 to P07, P10 to P17,
P30 to P37, P40 to P43,
P50 to P53, P72 to P74
Selectable by
pin
Can be set per pin*
Fixed to “without pull-up
resistor”
2
Power-on reset selection
With power-on reset
Without power-on reset
Selectable
Setting possible
Fixed to “with power-on reset”
3
Selection of the main clock
oscillation stabilization time
(at 10 MHz)
Approx. 2
18
/F
CH
(Approx. 26.2 ms)
Approx. 2
17
/F
CH
(Approx. 13.1 ms)
Approx. 2
14
/F
CH
(Approx. 1.6 ms)
Approx. 2
4
/F
CH
(Approx. 0 ms)
F
CH :
Main clock frequency
Selectable
Setting possible
Fixed to 2
18
/F
CH
(Approx. 26.2 ms)
4
Reset pin output
Reset output provided
No reset output
Selectable
Setting possible
Fixed to “with reset output”
5
Single/dual-clock system option
Single clock
Dual clock
Selectable
Setting possible
MB89PV630-101 Single-clock system
MB89T635R-101 Single-clock system
MB89T637R-101 Single-clock system
MB89PV630-102 Dual-clock systems
MB89T635R-102 Dual-clock systems
MB89T637R-102 Dual-clock systems