68HC05P9A

The MC68HC05P9A is a 28-pin device based on the MC68HC05P9. It includes a four-channel 8-bit analog-to-digital (A/D) converter, a simple serial I/O peripheral(SIOP), and an on-chip mask programmable computer operating properly (COP) watchdog circuit.

The features of MC68HC05P9A can be summarized as:(1)Low Cost; (2)HC05 Core; (3)28-Pin Package; (4)On-Chip Oscillator with RC or Crystal/Ceramic Resonator Mask Options; (5)2112 Bytes of User ROM Including 16 User Vector Locations; (6)ROM Security Feature; (7)128 Bytes of On-Chip RAM; (8)16-Bit Timer; (9)20 Bidirectional I/O Lines, One Input-Only Line; (10)Mask Programmable Keyscan (Pullups and Interrupt) on Eight Port Pins (PA0 through PA7); (11)Two Port Pins with High Current Drive Capability (PC0, PC1); (12)User Mode; (13)Four-Channel 8-Bit A/D Converter; (14)Self-Check Mode.

The absolute maximum ratings of MC68HC05P9A are:(1)Supply Voltage:-0.3V to +7.0 V; (2)Input Voltage:VSS-0.3V to VDD +0.3 V; (3)Self-Check Modes (IRQ Pin Only):VSS-0.3V to 2*VDD+0.3V; (4)Current Drain Per Pin Excluding VDD and VSS:25mA; (5)Storage Temperature Range:-65°C to +150 °C.

If you want to know more information such as the electrical characteristics about the MC68HC05P9A, please download the datasheet in www.seekic.com or www.chinaicmart.com .