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L8708H Datasheet(PDF) 1 Page - Zilog, Inc. |
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L8708H Datasheet(HTML) 1 Page - Zilog, Inc. |
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1 / 66 page  DS96LV00800 P R E L I M I N A R Y 1 1 PRELIMINARY PRODUCT SPECIFICATION Z86L88/81/86/87/89/73 1 IR/LOW-VOLTAGE MICROCONTROLLER FEATURES s Low Power Consumption - 40 mW (Typical) s Three Standby Modes – STOP – HALT – Low Voltage s Special Architecture to Automate Both Generation and Reception of Complex Pulses or Signals: – One Programmable 8-Bit Counter/Timer with Two Capture Registers – One Programmable 16-Bit Counter/Timer with One 16-Bit Capture Register – Programmable Input Glitch Filter for Pulse Reception s Five Priority Interrupts – Three External – Two Assigned to Counter/Timers s Low Voltage Detection and Standby Mode s Programmable Watch-Dog/Power-On Reset Circuits s Two Independent Comparators with Programmable Interrupt Polarity s On-Chip Oscillator that Accepts a Crystal, Ceramic Resonator, LC, RC (Mask Option), or External Clock Drive s Mask Selectable 200 kOhms Pull-Ups on Ports 0, 2, 3 – All Eight Port 2 Bits at One Time or Not – Pull-Ups Automatically Disabled Upon Selecting Individual Pins as Outputs. s Maskable Mouse/Trackball Interface on P00 Through P03. s 32 kHz Oscillator Mask Option GENERAL DESCRIPTION The Z86LXX family of IR (Infrared) CCP™ (Consumer Con- troller Processor) Controllers are ROM/ROMless-based members of the Z8® single-chip microcontroller family with 256 bytes of internal RAM. The differentiating factor be- tween these devices is the availability of ROM, and pack- age options. For the 40 and 44-pin devices the use of ex- ternal memory enables these Z8 microcontrollers to be used where code flexibility is required. Zilog’s CMOS mi- crocontrollers offers fast executing, efficient use of memo- ry, sophisticated interrupts, input/output bit manipulation capabilities, automated pulse generation/reception, and in- ternal key-scan pull-up resistors. The Z86LXX product line offers easy hardware/software system expansion cost-ef- fective and low power consumption. The Z86LXX architecture is based on Zilog's 8-bit micro- controller core with an Expanded Register File to allow ac- cess to register mapped peripherals, I/O circuits, and pow- erful counter/timer circuitry. The CCP offers a flexible I/O scheme, an efficient register and address space structure, and a number of ancillary features that are useful in many Device ROM (KB) RAM* (Bytes) I/O Lines Voltage Range Z86L88 16 237 23 2.0V to 3.9V Z86L81 24 237 23 2.0V to 3.9V Z86L86 32 237 23 2.0V to 3.9V Z86L87 16 236 31 2.0V to 3.9V Z86L89 24 236 31 2.0V to 3.9V Z86L73 32 236 31 2.0V to 3.9V Note: *General-Purpose |
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