Overview
The SM470R1B1MHKPS is a 16-/32-bit RISC Flash Microcontroller from Texas Instruments, part of the SM470R1x family. This device is built around the high-performance ARM7TDMI 16-/32-bit RISC CPU, offering high instruction throughput and code efficiency. It is designed for high-end embedded control applications, balancing performance with low power consumption and cost-effectiveness.
The microcontroller features a robust set of peripherals and interfaces, making it suitable for a wide range of applications, particularly in harsh and noisy environments such as industrial fields.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | ARM7TDMI 16-/32-bit RISC CPU |
| System Clock Frequency | Up to 60 MHz in pipeline mode |
| Memory | 1 MB Program Flash, 64 KB SRAM |
| CAN Controllers | Two High-End CAN Controllers (HECC) with 32-mailbox capacity |
| Communication Interfaces | Two SPIs, three SCIs, two HECCs, five I2C modules |
| Analog-to-Digital Converter | 10-bit, 12-channel Multi-Buffered ADC (MibADC) |
| Timer | High-End Timer Lite (HET) with XOR-share feature |
| Clock Module | Zero-Pin Phase-Locked Loop (ZPLL) with clock-monitor and prescaler |
| Operating Temperature | –55°C to 220°C (custom temperature ranges available) |
| Packages | HFQ, HKP, PGE (84 or 144 pins) |
| Core Voltage | 1.8 V |
| I/O Voltage | 3.3 V |
Key Features
- High-performance ARM7TDMI 16-/32-bit RISC CPU with up to 60 MHz system clock frequency in pipeline mode
- Integrated memory: 1 MB program flash and 64 KB SRAM
- Two High-End CAN Controllers (HECC) with 32-mailbox capacity, fully compliant with CAN protocol version 2.0B
- Multiple communication interfaces: two SPIs, three SCIs, two HECCs, and five I2C modules
- 10-bit, 12-channel Multi-Buffered Analog-to-Digital Converter (MibADC)
- High-End Timer Lite (HET) with XOR-share feature for high-resolution timing functions
- Zero-Pin Phase-Locked Loop (ZPLL) clock module with clock-monitor and prescaler
- Memory Security Module (MSM) and JTAG security module for secure memory access
- Low-power modes: STANDBY and HALT, with external clock prescale (ECP) module
- Expansion Bus Module (EBM) supporting 8- and 16-bit expansion bus memory
- Digital Watchdog (DWD) timer and Analog Watchdog (AWD) timer for system integrity and failure detection
Applications
The SM470R1B1MHKPS microcontroller is designed for high-end embedded control applications, particularly in environments that require robust and reliable performance. Key application areas include:
- Industrial control systems: Suitable for harsh and noisy environments due to its robust CAN controllers and other communication interfaces.
- Automotive systems: Ideal for applications requiring high reliability and performance over a wide temperature range.
- Real-time control systems: The High-End Timer Lite (HET) and other timing functions make it suitable for applications requiring precise timing and control.
- Extreme temperature applications: Operates in a temperature range of –55°C to 220°C, making it suitable for extreme environments.
Q & A
- What is the core processor of the SM470R1B1MHKPS microcontroller?
The core processor is the ARM7TDMI 16-/32-bit RISC CPU.
- What is the maximum system clock frequency of the SM470R1B1MHKPS?
The maximum system clock frequency is up to 60 MHz in pipeline mode.
- How much memory does the SM470R1B1MHKPS have?
The device has 1 MB of program flash and 64 KB of SRAM.
- What communication interfaces are available on the SM470R1B1MHKPS?
The device features two SPIs, three SCIs, two HECCs, and five I2C modules.
- What is the resolution and number of channels of the ADC on the SM470R1B1MHKPS?
The device has a 10-bit, 12-channel Multi-Buffered Analog-to-Digital Converter (MibADC).
- What is the operating temperature range of the SM470R1B1MHKPS?
The operating temperature range is –55°C to 220°C.
- What security features are included in the SM470R1B1MHKPS?
The device includes a Memory Security Module (MSM) and a JTAG security module.
- Does the SM470R1B1MHKPS support low-power modes?
Yes, it supports STANDBY and HALT low-power modes.
- What is the purpose of the High-End Timer Lite (HET) on the SM470R1B1MHKPS?
The HET provides sophisticated timing functions for real-time applications, including compare, capture, and general-purpose I/O.
- Is the SM470R1B1MHKPS still in production?
No, the SM470R1B1MHKPS is obsolete and no longer in production. New designs should consider an alternate product.
