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HT82K68E-L Datasheet(PDF) 3 Page - Holtek Semiconductor Inc |
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HT82K68E-L Datasheet(HTML) 3 Page - Holtek Semiconductor Inc |
3 / 38 page Pin Assignment Pin Description Pin Name I/O Mask Option Description PA0~PA7 I/O Wake-up Pull-high or None Bidirectional 8-bit input/output port. Each bit can be configured as a wake-up input by mask option. Software* instructions determine the CMOS output or Schmitt Trigger input with or without 12K pull-high resistor. PB0~PB7 I/O Pull-high or None Bidirectional 8-bit input/output port. Software* instructions determine the output or Schmitt Trigger input with or without pull-high resistor. PC0 I/O Wake-up Pull-high or None This pin is an I/O port. NMOS open drain output with pull-high resistor and can be used as DATA or CLOCK line of PS2. This pin can be configured as a wake-up input by mask option. PC1 I/O Wake-up Pull-high or None This pin is an I/O port. NMOS open drain output with pull-high resistor and can be used as DATA or CLOCK line of PS2. This pin can be configured as a wake-up input by mask option. PC2~PC3 I/O Wake-up Pull-high or None Bidirectional 2-bit input/output port. Each bit can be configured as a wake-up input by mask option. Software* instructions determine the CMOS output or Schmitt Trigger input with or without pull-high resistor. PC2 also as external interrupt input pin. PE0 determine whether rising edge or falling edge of PC2 to trigger the INT circuit. PC4~PC7 I/O Pull-high or None Bidirectional 4-bit input/output port. Software* instructions determine the CMOS output or Schmitt Trigger input with or without pull-high resistor. PD0~PD7 I/O Pull-high or None Bidirectional 8-bit input/output port. Software* instructions determine the CMOS output or Schmitt Trigger input with or without pull-high resistor. HT82K68E-L/HT82K68A-L Rev. 1.30 3 August 5, 2009 P B 5 P B 4 P A 3 P A 2 P A 1 P A 0 P B 3 P B 2 P B 1 P B 0 N C N C P D 7 P D 6 P D 5 P D 4 V S S P E 2 ( L E D ) P E 3 ( L E D ) P C 0 P C 1 P C 2 P E 0 P E 1 P B 6 P B 7 P A 4 P A 5 P A 6 P A 7 N C N C N C N C O S C 2 O S C 1 V D D R E S E T P E 4 ( L E D ) P D 3 P D 2 P D 1 P D 0 P C 7 P C 6 P C 5 P C 4 P C 3 H T 8 2 K 6 8 E - L / H T 8 2 K 6 8 A - L 4 8 S S O P - A 4 8 4 7 4 6 4 5 4 4 4 3 4 2 4 1 4 0 3 9 3 8 3 7 3 6 3 5 3 4 3 3 3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 H T 8 2 K 6 8 E - L / H T 8 2 K 6 8 A - L 2 0 S O P - A 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 1 2 3 4 5 6 7 8 9 1 0 P A 3 P A 2 P A 1 P A 0 P B 1 P B 0 V S S P E 2 P C 0 P C 1 P A 4 P A 5 P A 6 P A 7 O S C 2 O S C 1 V D D R E S E T P C 3 P C 2 H T 8 2 K 6 8 E - L / H T 8 2 K 6 8 A - L 2 8 S O P - A P B 5 P B 4 P A 3 P A 2 P A 1 P A 0 P B 3 P B 2 P B 1 P B 0 V S S P C 1 P C 2 P C 3 P B 6 P B 7 P A 4 P A 5 P A 6 P A 7 O S C 2 O S C 1 V D D R E S E T P C 7 P C 6 P C 5 P C 4 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 P D 0 P D 1 P D 2 R E S V D D O S C 1 O S C 2 P A 7 V S S P D 4 P D 5 P B 0 P B 1 P B 2 P B 3 P A 0 H T 8 2 K 6 8 E - L H T 8 2 K 6 8 A - L 3 2 Q F N - B |
Similar Part No. - HT82K68E-L_09 |
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Similar Description - HT82K68E-L_09 |
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