 |
 |
|
| HT82K95E |
|
|||||||||||||||||
 HOLTEK
|
| |||||||||||||||||
|
4 page 
Pin Name I/O ROM Code Option Description USBD+/CLK I/O ¾ USBD+ or PS2 CLK I/O line USB or PS2 function is controlled by software control register USBD-/DATA I/O ¾ USBD- or PS2 DATA I/O line USB or PS2 function is controlled by software control register OSC1 OSC2 I O ¾ OSC1, OSC2 are connected to a 6MHz or 12MHz Crystal/resonator (determined by software instructions) for the internal system clock. Absolute Maximum Ratings Supply Voltage ...........................VSS -0.3V to VSS+6.0V Storage Temperature ............................ -50°Cto125°C Input Voltage..............................VSS -0.3V to VDD+0.3V Operating Temperature...............................0 °Cto70°C Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil- ity. D.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage ¾ fSYS=6MHz 4.2 ¾ 5.5 V fSYS=12MHz 4.2 ¾ 5.5 V IDD1 Operating Current (6MHz Crystal) 5V No load, fSYS=6MHz ¾ 6.5 12 mA IDD2 Operating Current (12MHz Crystal) 5V No load, fSYS=12MHz ¾ 7.5 16 mA ISTB1 Standby Current (WDT Enabled) 5V No load, system HALT, USB suspend ¾¾ 250 mA ISTB2 Standby Current (WDT Disabled) 5V No load, system HALT, USB suspend ¾¾ 230 mA VIL1 Input Low Voltage for I/O Ports 5V ¾ 0 ¾ 0.8 V VIH1 Input High Voltage for I/O Ports 5V ¾ 2 ¾ 5V VIL2 Input Low Voltage (RES)5V ¾ 0 ¾ 0.4VDD V VIH2 Input High Voltage (RES)5V ¾ 0.9VDD ¾ VDD V IOL1 I/O Port Sink Current for PA1~PA7, PB, PC, PD 5V VOL=3.4V 10 15 20 mA IOL2 I/O Port Sink Current for PA1~PA7, PB, PC, PD 5V VOL=0.4V 24 8 mA IOL3 I/O Port Sink Current for PA0 5V VOL=0.4V 7 10 13 mA IOH1 I/O Port Source Current for PA1~PA7, PB, PC, PD 5V VOH=3.4V -2 -4 -8 mA IOH2 I/O Port Source Current for PA0 5V VOH=3.4V -12 -18 -24 mA RPH Pull-high Resistance for PA, PB, PC, PD 5V ¾ 25 50 80 k W VLVR Low Voltage Reset ¾¾ 3 3.4 4.0 V VV33O 3.3V Regulator Output 5V IV33O= -5mA 3.0 3.3 3.6 V HT82K95E/HT82K95A Rev. 1.20 4 October 24, 2005 |
