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Z86L85 Datasheet(PDF) 9 Page - Zilog, Inc. |
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Z86L85 Datasheet(HTML) 9 Page - Zilog, Inc. |
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9 / 80 page  Z86L82/85/88 28-Pin Low-Voltage IR Microcontrollers PS009007-1202 2 • Programmable mask options: – Oscillator selection: RC oscillator versus crystal or other clock source – Oscillator operational mode: normal high-frequency operation enabled versus 32-KHz operation enabled – Port 0: 0–3 pull-ups – Port 0: 4–7 pull-ups – Port 2: 0–7 pull-ups – Port 3: pull-ups – Port 0: 0–3 Mouse Mode: Normal Mode (.5VDD input threshold) versus Mouse Mode (.4VDD input threshold) The mask option pull-up transistor has a typical equivalent resistance of 200 K W ±50% at VCC=3 V and 450 KW ±50% at VCC=2 V. General Description The Z86L82/85/88 are ROM-based members of the Z8 MCU single-chip family of infrared (IR) controllers, featuring 237 bytes of general-purpose RAM and 4/8/16 KB of ROM, respectively. ZiLOG’s CMOS microcontrollers offer fast executing, efficient use of memory, sophisticated interrupts, input/output bit manipulation capabilities, automated pulse generation/reception, and internal key-scan pull-up transistors. The Z86L8X architecture is based on ZiLOG's 8-bit microcontroller core featuring an Expanded Register File to allow access to register-mapped peripherals, I/O cir- cuits, and powerful counter/timer circuitry. The Z8 offers a flexible I/O scheme, an efficient register and address-space structure, and a number of ancillary features that are useful in many consumer, automotive, computer peripheral, and battery- operated hand-held applications. Three basic address spaces are available to support a wide range of configura- tions: program memory, register file, and Expanded Register File. The register file consists of 256 bytes of RAM. It includes 4 I/O port registers, 16 control and status registers, and 236 general-purpose registers. [Register FEh (SPH) can be used as a general-purpose register.] The Expanded Register File consists of two addi- tional register groups (F and D). The Z86L8X offers a new intelligent counter/timer architecture with 8-bit and 16-bit counter/timers (Figure 1). Also included are a large number of user-selectable modes and two on-board comparators to process analog signals with separate reference voltages (see Figure 9 on page 18). Note: |
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Similar Description - Z86L85 |
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