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Z86217 bảng dữ liệu(PDF) 1 Page - Zilog, Inc. |
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Z86217 bảng dữ liệu(HTML) 1 Page - Zilog, Inc. |
1 / 7 page Z86217/C17 CP95KEY1000 1 PRELIMINARY CP95KEY1000 8/95 FEATURES PRELIMINARY CUSTOMER PROCUREMENT SPECIFICATION Part ROM RAM* I/O Speed Number (Kbytes) (Bytes) Lines (MHz) Z86217 2 124 14 4 Z86C17 2 124 14 4 Z86217/C17 CMOS Z8® 8-BIT MICROCONTROLLERS (POINTING DEVICE/TRACKBALL) * General-Purpose s 18-Pin DIP and SOIC Packages s 3.0- to 5.5-Volt Operating Range s 0 °C to 70°C Operating Temperature Range s Permanent Watch-Dog Timer (WDT) s Oscillator Filter s Two Programmable 8-Bit Counter/Timers s Low-EMI Operation s Scalable Trip-Point Buffer s On-Board Pull-Up Resistors s High Drive Ports Can Sink 20 mA Per Pin, with Three Pins Maximum GENERAL DESCRIPTION The Z86217/C17 are members of Zilog's Z8® family of microcontrollers designed to reduce external system com- ponents and offer easy software/hardware development tools for pointing device and trackball applications. The devices feature on-board pull-up resistors, and a scalable trip-point buffer to accommodate opto-transistor outputs. The high drive ports are capable of up to 20 mA (at VOL = 0.8-volt) current sinking per pin, with three pins maximum, providing extra sinking current capability. The Z86217/C17's permanently enabled Watch-Dog Timer (WDT) operates upon power-up of the MCU, and provides added operational reliability for pointing device and trackball environments. An oscillator filter assists in separating out high-frequency noise from the oscillator input pin. Two on-chip counter/timers with a large number of selectable modes, offload the system of administering real-time tasks such as counting/timing and I/O data communications. Notes: Refer to the DC electrical characteristics for detailed specification of the sinking current. On the Z86C17, P24-P27 has a 20K pull-up, and P32 has a 47K pull- down. The Z86217 does not have these functions. All Signals with a preceding front slash, "/", are active Low, e.g.; B//W (WORD is active Low); /B/W (BYTE is active Low, only). Power connections follow conventional descriptions below: Connection Circuit Device Power V CC V DD Ground GND VSS |
Số phần tương tự - Z86217 |
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Mô tả tương tự - Z86217 |
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