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P83C661X2BBD Datasheet(PDF) 9 Page - NXP Semiconductors |
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P83C661X2BBD Datasheet(HTML) 9 Page - NXP Semiconductors |
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9 / 102 page  Philips Semiconductors Product data P8xC660X2/661X2 80C51 8-bit microcontroller family 16 KB OTP/ROM, 512B RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz), two 400KB I2C interfaces 2003 Oct 02 9 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 – – SRD – FME – EXTRAM AO xxxx0x10B AUXR1# Auxiliary 1 A2H – – – LPEP GPS 0 – DPS xxxx00x0B B* B register F0H F7 F6 F5 F4 F3 F2 F1 F0 00H CCAP0H# Module 0 Capture High FAH xxxxxxxxB CCAP1H# Module 1 Capture High FBH xxxxxxxxB CCAP2H# Module 2 Capture High FCH xxxxxxxxB CCAP3H# Module 3 Capture High FDH xxxxxxxxB CCAP4H# Module 4 Capture High FEH xxxxxxxxB CCAP0L# Module 0 Capture Low EAH xxxxxxxxB CCAP1L# Module 1 Capture Low EBH xxxxxxxxB CCAP2L# Module 2 Capture Low ECH xxxxxxxxB CCAP3L# Module 3 Capture Low EDH xxxxxxxxB CCAP4L# Module 4 Capture Low EEH xxxxxxxxB CCAPM0# Module 0 Mode C2H – ECOM CAPP CAPN MAT TOG PWM ECCF x0000000B CCAPM1# Module 1 Mode C3H – ECOM CAPP CAPN MAT TOG PWM ECCF x0000000B CCAPM2# Module 2 Mode C4H – ECOM CAPP CAPN MAT TOG PWM ECCF x0000000B CCAPM3# Module 3 Mode C5H – ECOM CAPP CAPN MAT TOG PWM ECCF x0000000B CCAPM4# Module 4 Mode C6H – ECOM CAPP CAPN MAT TOG PWM ECCF x0000000B C7 C6 C5 C4 C3 C2 C1 C0 CCON*# PCA Counter Control C0H CF CR – CCF4 CCF3 CCF2 CCF1 CCF0 00x00000B CH# PCA Counter High F9H 00H CL# PCA Counter Low E9H 00H CMOD# PCA Counter Mode C1H CIDL WDTE – – – CPS1 CPS0 ECF 00xxx000B CKCON Clock control 8FH – – – – – – – X2 xxxxxxx1B 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 IEN0* Interrupt Enable 0 A8H EA EC ES1 ES0 ET1 EX1 ET0 EX0 00000000B IEN1* Interrupt Enable 1 E8H – – – – – – ES2 ET2 xxxxxx00B BF BE BD BC BB BA B9 B8 IP*# Interrupt Priority B8H PT2 PPC PS1 PS0 PT1 PX1 PT0 PX0 00000000B B7 B6 B5 B4 B3 B2 B1 B0 IPH# Interrupt Priority High B7H PT2H PPCH PS1H PS0H PT1H PX1H PT0H PX0H 00000000B 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 CEX2 CEX1 CEX0 ECI 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 * SFRs are bit addressable. # SFRs are modified from or added to the 80C51 SFRs. – Reserved bits. 1. Reset value depends on reset source. 2. 8xC661X2 only. |
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