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TMS370C012A Dataheets PDF



Part Number TMS370C012A
Manufacturers Texas Instruments
Logo Texas Instruments
Description 8-BIT MICROCONTROLLER
Datasheet TMS370C012A DatasheetTMS370C012A Datasheet (PDF)

TMS370Cx1x 8-BIT MICROCONTROLLER SPNS012F -- MAY 1987 -- REVISED FEBRUARY 1997 D CMOS/EEPROM/EPROM Technologies on a Single Device -- Mask-ROM Devices for High-Volume Production -- One-Time-Programmable (OTP) EPROM Devices for Low-Volume Production -- Reprogrammable-EPROM Devices for Prototyping Purposes D Internal System Memory Configurations -- On-Chip Program Memory Versions -- ROM: 2K, 4K, or 8K Bytes -- EPROM: 8K Bytes -- Data EEPROM: 256 Bytes -- Static RAM: 128 or 256 Bytes Usable as Re.

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TMS370Cx1x 8-BIT MICROCONTROLLER SPNS012F -- MAY 1987 -- REVISED FEBRUARY 1997 D CMOS/EEPROM/EPROM Technologies on a Single Device -- Mask-ROM Devices for High-Volume Production -- One-Time-Programmable (OTP) EPROM Devices for Low-Volume Production -- Reprogrammable-EPROM Devices for Prototyping Purposes D Internal System Memory Configurations -- On-Chip Program Memory Versions -- ROM: 2K, 4K, or 8K Bytes -- EPROM: 8K Bytes -- Data EEPROM: 256 Bytes -- Static RAM: 128 or 256 Bytes Usable as Registers D Flexible Operating Features -- Low-Power Modes: STANDBY and HALT -- Commercial, Industrial, and Automotive Temperature Ranges -- Clock Options -- Divide-by-1 (2 MHz--5 MHz SYSCLK) Phase-Locked Loop (PLL) -- Divide-by-4 (0.5 MHz--5 MHz SYSCLK) -- Supply Voltage (VCC) 5 V 10% D 16-Bit General Purpose Timer -- Software Configurable as a 16-Bit Event Counter, or a 16-Bit Pulse Accumulator, or a 16-Bit Input Capture Functions, or Two Compare Registers, or a Self-Contained PWM Function -- Software Programmable Input Polarity -- 8-Bit Prescaler, Providing a 24-Bit Real-Time Timer D On-Chip 24-Bit Watchdog Timer -- EPROM/OTP Devices: -- EPROM ’712A Standard Watchdog -- EPROM ’712B Hard Watchdog -- Mask-ROM Devices: Hard Watchdog, Simple Counter, or Standard Watchdog D Flexible Interrupt Handling -- Two Software Programmable Interrupt Levels -- Global-and Individual-Interrupt Masking -- Programmable Rising- or Falling-Edge Detect -- Individual Interrupt Vectors D Serial Peripheral Interface (SPI) -- Variable-Length High-Speed Shift Register JD AND N PACKAGES (TOP VIEW) D6 D7 A7 VCC XTAL2/CLKIN XTAL1 A6 A5 A4 A3 A2 VSS A1 A0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 D3 27 RESET 26 D4 25 SPISOMI 24 SPICLK 23 SPISIMO 22 T1IC/CR 21 T1PWM 20 T1EVT 19 MC 18 INT3 17 INT2 16 INT1 15 D5 FZ AND FN PACKAGES (TOP VIEW) V CC A7 D7 D6 D3 RESET D4 XTAL2/CLKIN XTAL1 A6 A5 A4 A3 A2 4 3 2 1 28 27 26 5 25 6 24 7 23 8 22 9 21 10 20 11 19 12 13 14 15 16 1718 SPISOMI SPICLK SPISIMO T1IC/CR T1PWM T1EVT MC VSS A1 A0 D5 INT1 INT2 INT3 -- Synchronous Master/Slave Operation D TMS370 Series Compatibility -- Register-to-Register Architecture -- 128 or 256 General-Purpose Registers -- 14 Powerful Addressing Modes -- Instructions Upwardly Compatible With All TMS370 Devices D CMOS/TTL Compatible I/O Pins/Packages -- All Peripheral Function Pins Software Configurable for Digital I/O -- 21 Bidirectional Pins, 1 Input Pin -- 28-Pin Plastic and Ceramic DIP, or Leaded Chip Carrier (LCC) Packages D Workstation/PC-Based Development System -- C Compiler and C Source Debugger -- Real-Time In-Circuit Emulation -- Extensive Breakpoint/Trace Capability -- Multi-Window User Interface -- Microcontroller Programmer Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright  1997, Texas Instruments Incorporated POST OFFICE BOX 1443 HOUSTON, TEXAS 77251--1443 1 TMS370Cx1x 8-BIT MICROCONTROLLER SPNS012F -- MAY 1987 -- REVISED FEBRUARY 1997 Pin Descriptions 28 PINS DIP and LCC NAME NO. A0 14 A1 13 A2 11 A3 10 A4 9 A5 8 A6 7 A7 3 D3 28 D4 26 D5 15 D6 1 D7 2 INT1 INT2 INT3 16 17 18 T1IC/CR T1PWM T1EVT 22 21 20 SPISOMI SPISIMO SPICLK 25 23 24 RESET 27 MC 19 XTAL2/CLKIN XTAL1 5 6 VCC 4 VSS 12 † I = input, O = output I/O† DESCRIPTION I/O Port A is a general-purpose bidirectional I/O port. I/O Port D is a general-purpose bidirectional I/O port. D3 is also configurable as SYSCLK. I External interrupt (non-maskable or maskable)/general-purpose input pin I/O External maskable interrupt input/general-purpose bidirectional pin I/O External maskable interrupt input/general-purpose bidirectional pin Timer1 input capture/counter reset input pin/general-purpose bidirectional pin I/O Timer1 PWM output pin/general-purpose bidirectional pin Timer1 external event input pin/general-purpose bidirectional pin SPI slave output pin, master input pin/general-purpose bidirectional pin I/O SPI slave input pin, master output pin/general-purpose bidirectional pin SPI bidirectional serial clock pin/general-purpose bidirectional pin I/O System reset bidirectional pin; as input pin, RESET initializes the microcontroller; as open-drain output, RESET indicates that an internal failure was detected by watchdog or oscillator fault circuit. I Mode control input pin; enables EEPROM write protection override (WPO) mode, also EPROM VPP I Internal oscillator crystal input/External clock source input O Internal oscillator output for crystal Positive supply voltage Ground reference All trademarks are the property of their respective owners. 2 POST.


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