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P80C32IBAA Datasheet(PDF) 6 Page - NXP Semiconductors |
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P80C32IBAA Datasheet(HTML) 6 Page - NXP Semiconductors |
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6 / 62 page  Philips Semiconductors Product specification 80C32/87C52 CMOS single-chip 8-bit microcontrollers 1996 Aug 16 6 Table 1. 8XC52 Special Function Registers SYMBOL DESCRIPTION DIRECT ADDRESS BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION MSB LSB RESET VALUE ACC* Accumulator E0H E7 E6 E5 E4 E3 E2 E1 E0 00H B* B register F0H F7 F6 F5 F4 F3 F2 F1 F0 00H DPTR: DPH DPL Data pointer (2 bytes) Data pointer high Data pointer low 83H 82H 00H 00H AF AE AD AC AB AA A9 A8 IE* Interrupt enable A8H EA – ET2 ES ET1 EX1 ET0 EX0 0x000000B BF BE BD BC BB BA B9 B8 IP* Interrupt priority B8H – – PT2 PS PT1 PX1 PT0 PX0 xx000000B 87 86 85 84 83 82 81 80 P0* Port 0 80H AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 FFH 97 96 95 94 93 92 91 90 P1* Port 1 90H – – – – – – T2EX T2 FFH A7 A6 A5 A4 A3 A2 A1 A0 P2* Port 2 A0H A15 A14 A13 A12 A11 A10 A9 A8 FFH B7 B6 B5 B4 B3 B2 B1 B0 P3* Port 3 B0H RD WR T1 T0 INT1 INT0 TxD RxD FFH PCON1 Power control 87H SMOD – – – GF1 GF0 PD IDL 0xxxxxxxB D7 D6 D5 D4 D3 D2 D1 D0 PSW* Program status word D0H CY AC F0 RS1 RS0 OV – P 00H RCAP2H# RCAPL# Capture high Capture low CBH CAH 00H 00H SBUF Serial data buffer 99H xxxxxxxxB 9F 9E 9D 9C 9B 9A 99 98 SCON* 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* Timer control 88H TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0 00H CF CE CD CC CB CA C9 C8 T2CON*# Timer 2 control C8H TF2 EXF2 RCLK TCLK EXEN2 TR2 C/T2 CP/RL2 00H TH0 TH1 TH2# TL0 TL1 TL2# Timer high 0 Timer high 1 Timer high 2 Timer low 0 Timer low 1 Timer low 2 8CH 8DH CDH 8AH 8BH CCH 00H 00H 00H 00H 00H 00H TMOD Timer mode 89H GATE C/T M1 M0 GATE C/T M1 M0 00H * Bit addressable # SFRs are modified from or added to the 80C51 SFRs. 1. Bits GF1, GF0, PD, and IDL of the PCON register are not implemented in the NMOS 8XC52. |
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