Z86L70

The Z86L7X family of IR (Infrared)/Low-Voltage Microcontrollers are ROM/ROMless-based members of the Z8^®MCU single-chip family with 237/125 bytes of internal RAM. The differentiating factor between these devices is the availability of RAM, ROM and package options. Offering the 3V versions (Z86LXX) with the Z86C71 gives optimum performance in both the low and high voltage ranges. Zilog's CMOS Low-Voltage Microcontrollers offer fast execution,
efficient use of memory, sophisticated interrupts, input/output bit manipulation capabilities, automated pulse generation/reception, and internal key-scan pull-up resistors.The Z86L7X product line offers easy hardware/software
system expansion with cost-effective and low power consumption.

The Z86L7X architecture is based on Zilog's 8-bit microcontroller core with an Expanded Register File to allow access to register mapped peripherals, I/O circuits, and powerful counter/timer circuitry. The Z8^® MCU 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.

There are three basic address spaces available to support a wide range of configurations: Program Memory, Register
File, and Expanded Register File. The register file of Z86L7X is composed of 256/144 bytes of RAM. It includes four I/O port registers, 15 control and status registers and the rest are General-Purpose registers. The Expanded Register File consists of two additional register groups (F and D). External Memory is not available on 18 and 20-pin versions.