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MDT2020B

ZLG MCU Development

OTP Microcontroller

Tel 020 38730916 38730917 38730976 38730977 Fax:38730925 MDT2020B OTP 1. OTPROM 8 CMOS 2K OTPROM 80 RAM ...


ZLG MCU Development

MDT2020B

File Download Download MDT2020B Datasheet


Description
Tel 020 38730916 38730917 38730976 38730977 Fax:38730925 MDT2020B OTP 1. OTPROM 8 CMOS 2K OTPROM 80 RAM CMOS 2. y CMOS y 8 y OTPROM 2K y RAM 80 72 8 y 36 y 14 y 2 y 2.3 6.3V y 0 20MHz y 20MHz 200ns y y y y y 4 : 150 s,20ms,40ms,80ms y 8 8 RTCC y 4 RC--- RC LFXT XTAL HFXT y RC y 20 I/O 3. MDT2020B PC 1 Tel 020 38730916 38730917 38730976 38730977 Fax:38730925 4. RTCC Vdd N/C VSS N/C PA0 PA1 PA2 PA3 PB0 PB1 PB2 PB3 PB4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 /MCLR 27 OSC1 26 OSC2 25 PC7 24 PC6 23 PC5 22 PC4 21 PC3 20 PC2 19 PC1 18 PC0 17 PB7 16 PB6 15 PB5 5. PA0 PA3 PB0 PB7 PC0 PC7 RTCC /MCLR OSC1 OSC2 Vdd Vss I∕O I∕O I∕O I∕O I I I O A TTL B TTL C TTL / , 6 A 00 01 02 03 04 05 06 07 08 0F 10 1F 30 3F RTCC PC STATUS MSR A B C RAM 50 5F 70 7F (1) IAR () R0 2 Tel 020 38730916 38730917 38730976 38730977 Fax:38730925 (2) RTCC (3) PC R2 R1 PC,CALL,’0’ LJMP JUMP LCALL , RTIW,RET , A10 A9 A8 A7 A0 STATUS BIT6,BIT5 PC,JUMP,CALL LJUMP,LCALL RTIW,RET ALU PC LJUMP,JUMP,LCALL,CALL RTIW,RET 4 R3 0C 1 HC 2Z 3 PF 4 TF 5-6 Page 7 00 000H 1FFH 01 200H 3FFH 10 400H 5FFH 11 600H 7FFH 5 MSR R4 00: 10-1F 01 : 30-3F 10: 50-5F 11: 70-7F B7 B6 B5 B4 B3 B2 B1 1 6 A R5 3 B0 Tel 020 38730916 38730917 38730976 38730977 Fax:38730925 PA3 PA0 I∕O 7 B R6 PB0 PB7 I∕O 8 C R7 PC7 PC0 I∕O 9 TMR 2 0 PS2 0 3 PSC 4 TCE 5 TCS 000 12 0...




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