Epson ARM720T Core cpu Bedienungsanleitung PDF herunterladen (Seite 28)

LPC22xx Devices

This family of high-performance microcontrollers includes parts that

integrate up to 256 KB of on-chip Flash, 16 KB of on-chip RAM, a

10-bit ADC, and an external memory interface. There are options

for up to four CAN interfaces and can provide support for extended

temperature ranges. The Flashless LPC22x0 delivers performance up

to 75MHz with up to 64 KB of on-chip RAM.

KEY FEATURES

60-MHz, 32-bit ARM7TDMI-S with AHB/APB interfaces

* Up to 75MHz for the LPC22x0

Up to 256 KB of ISP/IAP Flash

* Up to 64 KB of SRAM for the LPC22x0

16 KB of SRAM

8-channel, 10-bit A/D converter

Two CAN buses for the LPC2290 only

Up to four CAN buses for the LPC229x

External memory interface

Optional 16-bit Thumb Mode for code-size critical applications

Very fast Flash programming via on-chip boot loading software

Two 32-bit timers and one PWM unit

Real-time clock and Watchdog timer

Multiple serial interfaces: two UARTs, Fast I

C-bus, two SPI

112 I/O pins

* 76 I/O pins for the LPC22x0

Temperature range: -40 to + 85 °C

* Optional extended temperature range:

-40 to + 125 °C (LPC2294 only)

Small LQFP144 and TFBGA144 packages

* TFBGA144 for LPC2220 & 2292 only

NXP 60 and 75-MHz, 32-bit

ARM7TDMI-S™ processors LPC22xx

LPC22xx block diagram

Up to 256 KB of ISP/IAP,

128-byte-wide Flash

*No Flash for LPC22x0

E-ICE/ETM interface and

embedded-trace macrocell

Up to 64 KB of SRAM

Vectored

Interrupt Controller

Up to 75-MHz, 32-bit ARM7TDMI-S core

with AHB/APB buses

Power management, real-time clock, Watchdog timer, PLL

8-channel, 10-bit A/D converter

Up to four CAN buses

LPC2290 has 2 CAN buses

LPC2294 has 4 CAN buses

Two 32-bit timers

(with capture/compare channels)

PWM

Two UARTs (UART 1 with modem control)

Two SPI interfaces I

C-bus

Up to 112 I/O pins

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 39 40

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