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P80C32 数据表(PDF) 12 Page - NXP Semiconductors |
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P80C32 数据表(HTML) 12 Page - NXP Semiconductors |
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12 / 62 page  Philips Semiconductors Product data P80C3xX2; P80C5xX2; P87C5xX2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) 2003 Jan 24 12 Table 1. 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 AUXR# Auxiliary 8EH – – – – – – – AO xxxxxxx0B AUXR1# Auxiliary 1 A2H – – – LPEP2 WUPD 0 – DPS xxx000x0B B* B register F0H F7 F6 F5 F4 F3 F2 F1 F0 00H CKCON Clock Control Register 8FH – – – – – – – X2 xxx00000B DPTR: Data Pointer (2 bytes) DPH Data Pointer High 83H 00H DPL Data Pointer Low 82H 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 IPH# Interrupt Priority High B7H – – PT2H PSH PT1H PX1H PT0H PX0H 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 AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 FFH B7 B6 B5 B4 B3 B2 B1 B0 P3* Port 3 B0H RD WR T1 T0 INT1 INT0 TxD RxD FFH PCON#1 Power Control 87H SMOD1 SMOD0 – POF GF1 GF0 PD IDL 00xx0000B D7 D6 D5 D4 D3 D2 D1 D0 PSW* Program Status Word D0H CY AC F0 RS1 RS0 OV – P 000000x0B RACAP2H# Timer 2 Capture High CBH 00H RACAP2L# Timer 2 Capture Low CAH 00H SADDR# Slave Address A9H 00H SADEN# Slave Address Mask B9H 00H SBUF Serial Data Buffer 99H xxxxxxxxB 9F 9E 9D 9C 9B 9A 99 98 SCON* Serial Control 98H SM0/FE 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 T2MOD# Timer 2 Mode Control C9H – – – – – – T2OE DCEN xxxxxx00B TH0 Timer High 0 8CH 00H TH1 Timer High 1 8DH 00H TH2# Timer High 2 CDH 00H TL0 Timer Low 0 8AH 00H TL1 Timer Low 1 8BH 00H TL2# Timer Low 2 CCH 00H TMOD Timer Mode 89H GATE C/T M1 M0 GATE C/T M1 M0 00H NOTE: Unused register bits that are not defined should not be set by the user’s program. If violated, the device could function incorrectly. * SFRs are bit addressable. # SFRs are modified from or added to the 80C51 SFRs. – Reserved bits. 1. Reset value depends on reset source. 2. LPEP – Low Power EPROM operation (OTP only) |
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