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TMS470R1A128

16/32Bit RISC Flash Microcontroller

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TMS470R1A128 характеристики

Атрибут	Значение атрибута
Номенклатура	TMS470R1A128
Производитель	TI
ЧипСити Номер продукта	CC637098144
Жизненный Цикл Продукта	В производстве
Даташит
3D модель	3D модель
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TMS470R1A128 описание продукта

The TMS470R1A128(2) devices are members of the Texas Instruments (TI) TMS470R1x family of general-purpose16/32-bit reduced instruction set computer (RISC) microcontrollers. The TMS470R1x microcontroller offers high performance utilizingthe high-speed ARM7TDMI 16/32-bit RISC central processing unit (CPU), resulting in a high instruction throughput while maintaining greater code efficiency. The ARM7TDMI 16/32-bit RISC CPU views memory as a linear collection of bytes numbered upwards from zero. The A128 utilizes the big-endian format, where the most significant byte of a word is stored at the lowest numbered byte and the least significant byte at the highest numbered byte.
High-end embedded control applications demand more performance from their controllers while maintaining low costs. The A128 RISC core architecture offers solutions to these performance and cost demands while maintaining low power consumption.
The A128 devices contain the following:
ARM7TDMI 16/32-Bit RISC CPU
TMS470R1x system module (SYS) with 470+ enhancements
128K-byte flash
8K-byte SRAM
Zero-pin phase-locked loop (ZPLL) clock module
Analog watchdog (AWD) timer
Real-time interrupt (RTI) module
Two serial peripheral interface (SPI) modules
Two serial communications interface (SCI) modules
Standard CAN controller (SCC)
Class II serial interface (C2SIa)
10-bit, 16-input channel multi-buffered analog-to-digital converter (MibADC)
High-end timer (HET) controlling 16 I/Os
External Clock Prescale (ECP)
Up to 49 I/O pins and 1 input-only pin
The functions performed by the 470+ system module (SYS) include:
Address decoding
Memory protection
Memory and peripherals bus supervision
Reset and abort exception management
Prioritization for all internal interrupt sources
Device clock control
Parallel signature analysis (PSA)
This data sheet includes device-specific information such as memory and peripheral select assignment, interrupt priority, and a device memory map. For a more detailed functional description of the SYS module, see the _TMS470R1x System Module Reference Guide_ (literature number SPNU189).
The A128 memory includes general-purpose SRAM supporting single-cycle read/write accesses in byte, halfword, and word modes.
The flash memory on the A128 devices is a nonvolatile, electrically erasable and programmable memory implemented with a 32-bit-wide data bus interface.The flash operates with a system clock frequency of up to 28 MHz. In pipeline mode, the flash operates with a system clock frequency of up to 48 MHz. For more detailed information on the flash, see the _F05__ flash_ section of this data sheet and the _TMS470R1x F05 Flash Reference Guide_ (literature number SPNU213).
The A128 devices have six communication interfaces: two SPIs, two SCIs, an SCC, and a C2SIa. The SPI provides a convenient method of serial interaction for high-speed communications between similar shift-register type devices. The SCI is a full-duplex, serial I/O interface intended for asynchronous communication between the CPU and other peripherals using the standard non-return-to-zero (NRZ) format. The SCC uses a serial, multimaster communication protocol that efficiently supports distributed real-time control with robust communication rates of up to 1 megabit per second (Mbps). The SCC is ideal for applications operating in noisy and harsh environments (e.g., automotive and industrial fields) that require reliable serial communication or multiplexed wiring. The C2SIa allows the A128 to transmit and receive messages on a class II network following an SAE J1850 standard.SAE Standard J1850 Class B Data Communication Network Interface
For more detailed functional information on the C2SIa peripheral, see the _TMS470R1x Class II Serial Interface (C2SIa) Reference Guide_ (literature number SPNU218).
The HET is an advanced intelligent timer that provides sophisticated timing functions for real-time applications. The timer is software-controlled, using a reduced instruction set, with a specialized timer micromachine and an attached I/O port. The HET can be used for compare, capture, or general-purpose I/O. It is especially well suited for applications requiring multiple sensor information and drive actuators with complex and accurate time pulses. For more detailed functional information on the HET, see the _TMS470R1x High-End Timer (HET) Reference Guide_ (literature number SPNU199).
The A128 HET peripheral contains the XOR-share feature. This feature allows two adjacent HET high-resolution channels to be XORed together, making it possible to output smaller pulses than a standard HET. For more detailed information on the HET XOR-share feature, see the _TMS470R1x High-End Timer (HET) Reference Guide_ (literature number SPNU199).
The A128 devices have a 10-bit-resolution sample-and-hold MibADC. The MibADC channels can be converted individually or can be grouped by software for sequential conversion sequences. There are three separate groupings, two of which are triggerable by an external event. Each sequence can be converted once when triggered or configured for continuous conversion mode. For more detailed functional information on the MibADC, see the _TMS470R1x Multi-Buffered Analog-to-Digital Converter (MibADC) Reference Guide_ (literature number SPNU206).
The zero-pin phase-locked loop (ZPLL) clock module contains a phase-locked loop, a clock-monitor circuit, a clock-enable circuit, and a prescaler (with prescale values of 1-8). The function of the ZPLL is to multiply the external frequency reference to a higher frequency for internal use. The ZPLL provides ACLK to the system (SYS) module. The SYS module subsequently provides system clock (SYSCLK), real-time interrupt clock (RTICLK), CPU clock (MCLK), and peripheral interface clock (ICLK) to all other A128 device modules. For more detailed functional information on the ZPLL, see the _TMS470R1x Zero-Pin Phase-Locked Loop (ZPLL) Clock Module Reference Guide_ (literature number SPNU212).
**NOTE: **ACLK should not be confused with the MibADC internal clock, ADCLK. ACLK is the continuous system clock from an external resonator/crystal reference.
The A128 devices also have an external clock prescaler (ECP) module that when enabled, outputs a continuous external clock (ECLK) on a specified GIO pin. The ECLK frequency is a user-programmable ratio of the peripheral interface clock (ICLK) frequency. For more detailed functional information on the ECP, see the _TMS470R1x External Clock Prescaler (ECP) Reference Guide _(literature number SPNU202).
High-Performance Static CMOS Technology
TMS470R1x 16/32-Bit RISC Core (ARM7TDMI)
28-MHz System Clock (48-MHz Pipeline Mode)
Independent 16/32-Bit Instruction Set
Open Architecture With Third-Party Support
Built-In Debug Module
Big-Endian Format Utilized
Integrated Memory
128K-Byte Program Flash
One Bank With Ten Contiguous Sectors
Internal State Machine for Programming and Erase
8K-Byte Static RAM (SRAM)
Operating Features
Core Supply Voltage (VCC): 1.81 V-2.05 V
I/O Supply Voltage (VCCIO): 3.0 V-3.6 V
Low-Power Modes: STANDBY and HALT
Extended Industrial Temperature Ranges
470+ System Module
32-Bit Address Space Decoding
Bus Supervision for Memory and Peripherals
Analog Watchdog (AWD) Timer
Real-Time Interrupt (RTI)
System Integrity and Failure Detection
Zero-Pin Phase-Locked Loop (ZPLL)-Based Clock Module With Prescaler
Multiply-by-4 or -8 Internal ZPLL Option
ZPLL Bypass Mode
Six Communication Interfaces:
Two Serial Peripheral Interfaces (SPIs)
255 Programmable Baud Rates
Two Serial Communications Interfaces (SCIs)
224 Selectable Baud Rates
Asynchronous/Isosynchronous Modes
Standard CAN Controller (SCC)
16-Mailbox Capacity
Fully Compliant with CAN Protocol, Version 2.0B
Class II Serial Interface (C2SIa)
Two Selectable Data Rates
Normal Mode 10.4 Kbps and 4X Mode 41.6 Kbps
High-End Timer (HET)
16 Programmable I/O Channels:
14 High-Resolution Pins
2 Standard-Resolution Pins
High-Resolution Share Feature (XOR)
HET RAM (64-Instruction Capacity)
10-Bit Multi-Buffered ADC (MibADC) 16-Channel
64-Word FIFO Buffer
Single- or Continuous-Conversion Modes
1.55 µs Minimum Sample and Conversion Time
Calibration Mode and Self-Test Features
8 External Interrupts
Flexible Interrupt Handling
11 Dedicated GIO Pins, 1 Input-Only GIO Pin, and 38 Additional Peripheral I/Os
External Clock Prescale (ECP) Module
Programmable Low-Frequency External Clock (CLK)
On-Chip Scan-Base Emulation Logic, IEEE Standard 1149.1(1) (JTAG) Boundary-Scan Logic
100-Pin Plastic Low-Profile Quad Flatpack (PZ Suffix)
(1) The test-access port is compatible with the IEEE Standard 1149.1-1990, IEEE Standard Test-Access Port and Boundary Scan Architecture. Boundary scan is not supported on this device.
(2) Throughout the remainder of this document, the TMS470R1A128 device name will be referred to as either the full device name, TMS470R1A128, or as A128.
ARM7TDMI is a trademark of Advanced RISC Machines (ARM) Limited.
All other trademarks are the property of their respective owners.

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