Z86L972/Z86L973/Z86L974 PB007003--0903 4K/8K/16K Z86L972 Z86L973 Z86L974

Low-Voltage Microcontrollers Product Brief PB007003-0903 Product Block Diagram Key Features · 233 Bytes General-Purpose

Z86L972/Z86L973/Z86L974 Z86L972/Z86L973/Z86L974 Low-Voltage Microcontrollers Product Brief PB007003-0903 PB007003-0903 Product Block Diagram Key Features · 233 Bytes General-Purpose RAM 256 Bytes Executable RAM Z8 Core 8-Bit C/T (T8) Port 2 16-Bit C/T 8-Bit GP C/T (T1) (T16) Port 4 Port 5 Port 6 4K/8K/16K 4K/8K/16K bytes of ROM · 256 bytes of executable RAM · Two independent analog comparators · 4K/8K/16K 4K/8K/16K Bytes of ROM VDD power filter · Constant current source Counter/Timer Structure · Programmable 8-bit counter/timer (T8) with two 8-bit capture registers and two 8-bit load registers · Programmable 16-bit counter/timer (T16) with one 16-bit capture register pair and one 16-bit load register pair · General-purpose 8-bit counter/timer (T1) with 6-bit prescaler General Description The Z86L972/Z86L973/Z86L974 Z86L972/Z86L973/Z86L974 are low-voltage general-purpose Z8® microcontrollers. The Z86L972/Z86L973/Z86L974 Z86L972/Z86L973/Z86L974 family is designed to be used in a wide variety of embedded control applications, such as appliances, battery chargers, IR remotes, keyboards, and security systems. Input/Output and Interrupts Operating Characteristics · 2.3 V to 5.5 V operating voltage · Low power consumption with three standby modes: Stop Halt Low voltage standby · Low-battery detection flag · · Sixteen I/Os are selectable as stop-mode recovery sources. · Six interrupt vectors with nine interrupt sources Three external sources Two comparator interrupts Three timer interrupts One low-voltage detector Low-voltage protection circuit (VBO) · Twenty-nine bidirectional I/Os with programmable resistive pull-up transistors 8-MHz operation · · Watch-dog timer and power-on reset circuits ZILOG CORPORATION · 532 RACE STREET · SAN JOSE, CA 95126-3432 · WWW.ZILOG.COM Z86L972/Z86L973/Z86L974 Z86L972/Z86L973/Z86L974 Low-Voltage Microcontrollers 2 Block Diagram of Z86L972/Z86L973/Z86L974 Z86L972/Z86L973/Z86L974 Expanded Register File Register File 256 x 8-bit 8 Program Memory 7 Port 2 256 Bytes 0 7 Port 4 * VDD_padring VDD Power Filter Machine Timing and Instruction Control Z8 Core P52 P53 CIN2 CREF2 XTAL 1 XTAL 2 Two Analog Comparators Controlled Current Output 0 CIN1 CREF1 P51 P50 8 P43 7 Port 5 0 8-Bit C/T (Carrier) 16-Bit C/T (Modulation) 8-Bit C/T (General) 7 Port 6 0 *Controlled Current Output Program memory is as follows: Z86L972 Z86L972 4K ROM Z86L973 Z86L973 8K ROM Z86L974 Z86L974 16K ROM PB007003-0903 PB007003-0903 Z86L972/Z86L973/Z86L974 Z86L972/Z86L973/Z86L974 Low-Voltage Microcontrollers 3 Pin-Outs and Pin Direction P62 P63 P25 P26 P27 NC VSS VSS P44 P45 P46 P47 VDD VDD VDD VDD_padring XTAL2 XTAL1 NC P51 P52 P53 P54 P64 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Z86L972/ Z86L972/ Z86L973/ Z86L973/ Z86L974 Z86L974 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 281 27 26 25 P61 P60 P24 P23 P22 NC NC P21 P20 P43 VSS VSS P42 P41 P40 P50 P56 NC NC P57 P55 P67 P66 P65 Notes: 1. All VSS pins must be connected to ground. 2. All VDD pins must be connected to the same filtering capacitor. 3. NC is no connection to the die. 4. Power must be connected to VDD_padring. Current passes to VDD through the internal power filter. User Selectable Option Bits · RC/other (LC, resonator, or crystal) · Watchdog timer default state · 32-kHz crystal · Port 6 enable · Ports 20-27 pull-up transistor · Ports 40-42 pull-up transistor · Ports 44-47 pull-up transistor · Ports 50-51 pull-up transistor · Ports 54-57 pull-up transistor · Ports 60-63 pull-up transistor · Ports 64-67 pull-up transistor PB007003-0903 PB007003-0903 Z86L972/Z86L973/Z86L974 Z86L972/Z86L973/Z86L974 Low-Voltage Microcontrollers 4 Development Suite The following development tools are available for the programming and debugging of this device: · Z86L9900100ZEM Z86L9900100ZEM Emulator/Programmer · ZiLOG Developer Studio (ZDS) Related Products Z8 microcontrollers of interest are as follows: Z86L990 Z86L990 Z86L974 Z86L974 with 4-Channel, 8-Bit Sigma Delta Analog-to-Digital Converter Z86L88 Z86L88 Low-Voltage IR Controller (16K ROM, 28 pin) Electrical Features Summary · 50 mA Maximum Supply Current · 2.3 V to 5.5 V Operating Range Ordering Information Part PSI Description Z86D99 Z86D99 (OTP) Z86D990PZ008SC Z86D990PZ008SC Z86D990HZ008SC Z86D990HZ008SC 40-pin PDIP 48-pin SSOP Z86L97Mask ROM) Z86L972PZ008SC Z86L972PZ008SC Z86L972HZ008SC Z86L972HZ008SC Z86L973PZ008SC Z86L973PZ008SC Z86L973HZ008SC Z86L973HZ008SC Z86L974PZ008SC Z86L974PZ008SC Z86L974HZ008SC Z86L974HZ008SC 40-pin PDIP 48-pin SSOP 40-pin PDIP 48-pin SSOP 40-pin PDIP 48-pin SSOP Emulator Z86L9900100ZEM Z86L9900100ZEM Emulator/Programmer Adapter Z86D9900100ZDH Z86D9900100ZDH 48 SSOP Adapter Evaluation Board Z86L9900100ZCO Z86L9900100ZCO Evaluation Board PB007003-0903 PB007003-0903 Z86L972/Z86L973/Z86L974 Z86L972/Z86L973/Z86L974 Low-Voltage Microcontrollers 5 Document Disclaimer ©2003 by ZiLOG, Inc. All rights reserved. Information in this publication concerning the devices, applications, or technology described is intended to suggest possible uses and may be superseded. ZiLOG, INC. DOES NOT ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF ACCURACY OF THE INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED IN THIS DOCUMENT. ZiLOG ALSO DOES NOT ASSUME LIABILITY FOR INTELLECTUAL PROPERTY INFRINGEMENT RELATED IN ANY MANNER TO USE OF INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED HEREIN OR OTHERWISE. Devices sold by ZiLOG, Inc. are covered by warranty and limitation of liability provisions appearing in the ZiLOG, Inc. Terms and Conditions of Sale. ZiLOG, Inc. makes no warranty of merchantability or fitness for any purpose. Except with the express written approval of ZiLOG, use of information, devices, or technology as critical components of life support systems is not authorized. No licenses are conveyed, implicitly or otherwise, by this document under any intellectual property rights. PB007003-0903 PB007003-0903