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MB89181 Datasheet(PDF) 46 Page - fujitsu semiconductor |
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MB89181 Datasheet(HTML) 46 Page - fujitsu semiconductor |
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46 / 50 page  46 MB89180 Series s MASK OPTIONS No. Part number MB89181/182/183 MB89P185 MB89PV180 Specifying procedure Specify when ordering masking Set with EPROM programmer Setting not possible 1 Pull-up resistors P00 to P07, P10 to P17 Can be set per pin (P10 to P17 are available only when segment output is not selected.) Can be set per pin (P10 to P17 are available only when segment output is not selected.) Fixed to without pull- up resistor 2 Pull-up resistors P40 to P47, P50 to P57 Can be set per pin (Available only when segment output is not selected.) Fixed to without pull- up resistor 3 Pull-up resistors P20 to P27 Can be set per pin Fixed to without pull- up resistor 4 Power-on reset With power-on reset Without power-on reset Selectable Selectable Fixed to with power- on reset 5 Selection of oscillation stabilization delay time The initial value of the main clock oscillation stabilization time is selectable by bit value of WTM1 and WTM0. Selectable WTM1 WTM0 00: 22/FCH 01: 212/FCH 10: 216/FCH 11: 218/FCH Selectable WTM1 WTM0 00: 22/FCH 01: 212/FCH 10: 216/FCH 11: 218/FCH Fixed to oscillation stabilization time of 216/FCH 6 Main clock oscillation type Crystal or ceramic oscillator CR Selectable Crystal or ceramic oscillator Crystal or ceramic oscillator 7 Reset pin output With reset output Without reset output Selectable Selectable With reset output 8 Clock mode selection Dual-clock mode Single-clock mode Selectable Selectable Fixed to dual-clock mode 9 Segment output selection 32 segments:No port selection 28 segments:Selection of P17 to P14 24 segments: Selection of P17 to P10 20 segments:Selection of P17 to P10,and P57 to P54 16 segments:Selection of P17 to P10,and P57 to P50 12 segments:Selection of P17 to P10,P57 to P50, and P47 to P44 8 segments: Selection of P17 to P10,P57 to P50, and P47 to P40 Selectable Selects the number of segments. -101: 32 segments -102: 28 segments -103: 24 segments -104: 20 segments -105: 16 segments -106: 12 segments -107: 8 segments |
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