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IS80LV51-40WI Datasheet(PDF) 10 Page - Integrated Silicon Solution, Inc |
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IS80LV51-40WI Datasheet(HTML) 10 Page - Integrated Silicon Solution, Inc |
10 / 43 page IS80LV51 IS80LV31 10 Integrated Silicon Solution, Inc. ADVANCE INFORMATION MC018-0A 10/01/98 ISSI® Table 2: Special Function Register Symbol Description Direct Address Bit Address, Symbol, or Alternative Port Function Reset Value ACC(1) Accumulator E0H E7 E6 E5 E4 E3 E2 E1 E0 00H B(1) B register F0H F7 F6 F5 F4 F3 F2 F1 F0 00H DPH Data pointer (DPTR) high 83H 00H DPL Data pointer (DPTR) low 82H 00H AF AE AD AC AB AA A9 A8 IE(1) Interrupt enable A8H EA — — ES ET1 EX1 ET0 EX0 0XX00000B BF BE BD BC BB BA B9 B8 IP(1) Interrupt priority B8H — — — PS PT1 PX1 PT0 PX0 XXX00000B 87 86 85 84 83 82 81 80 P0(1) Port 0 80H P0.7 P0.6 P0.5 P0.4 P0.3 P0.2 P0.1 P0.0 FFH AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 97 96 95 94 93 92 91 90 P1(1) Port 1 90H P1.7 P1.6 P1.5 P1.4 P1.3 P1.2 P1.1 P1.0 FFH A7 A6 A5 A4 A3 A2 A1 A0 P2(1) Port 2 A0H P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 FFH AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 B7 B6 B5 B4 B3 B2 B1 B0 P3(1) Port 3 B0H P3.7 P3.6 P3.5 P3.4 P3.3 P3.2 P3.1 P3.0 FFH RD WR T1 T0 INT1 INT0 TXD RXD PCON Power control 87H SMOD — — — GF1 GF0 PD IDL 0XXX0000B D7 D6 D5 D4 D3 D2 D1 D0 PSW(1) Program status word D0H CY AC F0 RS1 RS0 OV — P 00H SBUF Serial data buffer 99H XXXXXXXXB 9F 9E 9D 9C 9B 9A 99 98 SCON(1) Serial controller 98H SM0 SM1 SM2 REN TB8 RB8 TI RI 00H SP Stack pointer 81H 07H 8F 8E 8D 8C 8B 8A 89 88 TCON(1) Timer control 88H TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0 00H TMOD Timer mode 89H GATE C/ T M1 M0 GATE C/ T M1 M0 00H TH0 Timer high 0 8CH 00H TH1 Timer high 1 8DH 00H TL0 Timer low 0 8AH 00H TL1 Timer low 1 8BH 00H Note: 1. Denotes bit addressable. |
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