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P80C652EFAA Datasheet(PDF) 7 Page - NXP Semiconductors |
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P80C652EFAA Datasheet(HTML) 7 Page - NXP Semiconductors |
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7 / 24 page  Philips Semiconductors Product specification 83C654 CMOS single-chip 8-bit microcontroller 1998 Jan 06 7 Table 1. 8XC652/654 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 ES1 ES0 ET1 EX1 ET0 EX0 0x000000B BF BE BD BC BB BA B9 B8 IP*# Interrupt priority B8H – PS1 PS0 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 SDA SCL 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 PCON# Power control 87H SMOD – – – GF1 GF0 PD IDL 0xxx0000B 9F 9E 9D 9C 9B 9A 99 98 S0CON*# Serial 0 port control 98H SM0 SM1 SM2 REN TB8 RB8 TI RI 00H S0BUF# Serial 0 data buffer 99H xxxxxxxxB D7 D6 D5 D4 D3 D2 D1 D0 PSW* Program status word D0H CY AC F0 RS1 RS0 OV F1 P 00H S1DAT# Serial 1 data DAH 00H SP Stack pointer 81H 07H S1ADR# Serial 1 address DBH SLAVE ADDRESS GC 00H S1STA# Serial 1 status D9H SC4 SC3 SC2 SC1 SC0 0 0 0 F8H DF DE DD DC DB DA D9 D8 S1CON*# Serial 1 control D8H CR2 ENS1 STA STO SI AA CR1 CR0 00000000B 8F 8E 8D 8C 8B 8A 89 88 TCON* Timer control 88H TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0 00H TH1 Timer high 1 8DH 00H TH0 Timer high 0 8CH 00H TL1 Timer low 1 8BH 00H TL0 Timer low 0 8AH 00H TMOD Timer mode 89H GATE C/T M1 M0 GATE C/T M1 M0 00H * SFRs are bit addressable. # SFRs are modified from or added to the 80C51 SFRs. |
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