MB89850R Series
s MASK OPTIONS (MB89855R)
Option type
Power-on reset
Initial value of oscillation
stabilization delay time
Reset pin output
Pull-up resistor at port pin
P00 to P07, P10 to P17,
P20 to P27, P30 to P37,
P40 to P47, P60 to P64
Option selection
0: Without power-on reset
1: With power-on reset
0: 218/FC (s) (Crystal oscillator)
1: 214/FC (s) (Ceramic oscillator)
0: Without reset output
1: With reset output
1: Without pull-up resistor
0: With pull-up resistor
Remarks
—
Selects the initial value of the OSCS bit
in the STBC register during power-on
reset.
—
• Can be set per pin.
• P00 to P07, P10 to P17, and P20 to
P27 with a pull-up resistor can be set
only for single-chip mode.
s STANDARD OPTION LIST
Part number
Parameter
Power-on reset
Initial value of oscillation
stabilization delay time
Output at reset pin
Pull-up resistor at port pin
MB89P857/W857
Available
218/FC (s)
Available
Not available
s ORDERING INFORMATION
Part number
MB89855RP-SH
MB89P857P-SH
MB89W857C-SH
MB89W857CF-ES-BND
Package
64-pin Plastic SH-DIP
(DIP-64P-M01)
64-pin Ceramic SH-DIP
(DIP-64C-A06)
64-pin Ceramic QFP
(FPT-64C-A02)
Remarks
ES level only
ES level only
45