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TMS470R1VF48C Datasheet(PDF) 3 Page - Texas Instruments

No. de pieza TMS470R1VF48C
Descripción Electrónicos  16/32-BIT RISC FLASH MICROCONTROLLERS
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TMS470R1VF48C Datasheet(HTML) 3 Page - Texas Instruments

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TMS470R1VF48C/VF48B
16/32-BIT RISC FLASH MICROCONTROLLERS
SPNS093D – MAY 2004 – REVISED FEBRUARY 2006
3
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251-1443
description
The VF48x(2) devices are members of the Texas Instruments TMS470R1x family of general-purpose 16/32-bit
reduced instruction set computer (RISCllers. The VF48x microcontroller offers high performance utilizing the
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 VF48x uses 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 VF48x RISC core architecture offers solutions to these performance and cost demands while
maintaining low power consumption.
The VF48x devices contain the following:
ARM7TDMI 16/32-Bit RISC CPU
TMS470R1x system module (SYS) with 470+ enhancements
1M-byte flash (VF48C only)
768K-byte flash (VF48B only)
64K-byte SRAM (VF48C only)
48K-byte SRAM (VF48B only)
Frequency-modulated zero-pin phase-locked loop (FMZPLL) clock module
Digital watchdog (DWD) timer
Analog watchdog (AWD) timer
Enhanced real-time interrupt (RTI) module
Interrupt expansion module (IEM)
Memory security module (MSM)
JTAG security module
Two serial peripheral interface (SPI) modules
Three serial communications interface (SCI) modules
Two high-end CAN controllers (HECC)
Five inter-integrated circuit (I2C) modules
10-bit multi-buffered analog-to-digital converter (MibADC), with 12 input channels
High-end timer lite (HET) controlling 12 I/Os
External Clock Prescale (ECP)
Expansion Bus Module (EBM)
Up to 93 I/O pins
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)
The enhanced real-time interrupt (RTI) module on the VF48x has the option to be driven by the oscillator clock.
The digital watchdog (DWD) is a 25-bit resettable decrementing counter that provides a system reset when the
watchdog counter expires. 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).
2 Throughout the remainder of this document, the TMS470R1VF48C and TMS740R1VF48B device names, where generic, will be referred to
as either VF48C/VF48B or VF48x; and where unique, by either the full device name or VF48C or VF48B.


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