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| 型號： | VMX1C1020 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Versa Mix 8051 Mixed-Signal MCU |
| 中文描述： | 反之亦然混合8051混合信號微控制器 |
| 文件頁數(shù)： | 1/80頁 |
| 文件大小： | 3605K |
| 代理商： | VMX1C1020 |
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http://www.ramtron.com
MCU customer service: 1-800-943-4625, 1-514-871-2447, ext. 208
1-800-545-FRAM, 1-719-481-7000
Ramtron International Corporation
1850 Ramtron Drive Colorado Springs
Colorado, USA, 80921
VMX1C1020
Datasheet
Rev 2.12
Versa Mix 8051 Mixed-Signal MCU
Overview
The VMX51C1020
is a fully integrated mixed-signal
microcontroller that provides a “one-chip solution” for
a broad range of signal conditioning, data acquisition,
processing,
and
control
VMX51C1020 is based on a powerful single-cycle,
RISC-based, 8051 microprocessor with an enhanced
MULT/ACCU unit that can be used to perform
complex mathematical operations.
On-chip analog peripherals such as: an A/D
converter, PWM outputs (that can be used as D/A
converters), a voltage reference, a programmable
current source, an uncommitted operational amplifier,
digital potentiometers and an analog switch makes
the VMX51C1020 ideal for analog data acquisition
applications.
The inclusion of a full set of digital interfaces such as
an enhanced fully configurable SPI, an I
C interface,
UARTs and a J1708/RS-485/RS-422 compatible
differential
transceiver,
integration.
applications.
The
enables
total
system
Applications
o
o
o
o
o
Automotive Applications
Industrial Controls / Instrumentation
Consumer Products
Intelligent Sensors
Medical Devices
F
IGURE
1: VMX51C1020
B
LOCK
D
IAGRAM
Feature Set
o
o
o
o
o
8051 Compatible RISC performance Processor.
Integrated Debugger
56KB Flash Program Memory
1280 Bytes of RAM
MULT/ACCU unit including a Barrel Shifter
o
Provides DSP capabilities
2 UART Serial Ports
2 Baud Rate Generators for UARTs
Differential Transceiver connected to UART1
J1708/RS-485/RS-422 compatible.
Enhanced SPI interface (Master/Slave)
o
Fully Configurable
o
Controls up to 4 slave devices
I2C interface
28 General Purpose I/Os
2 External Interrupt Inputs
Interrupt on Port 1 pin change
3, 16-bit Timers/Counters
4 Compare & Capture Units with 3 Capture Inputs
4 PWM outputs, 8-bit / 16-bit resolution
4 ext. + 3 int. Channel 12-bit A/D Converter
o
Conversion rate up to 10kHz
o
0-2.7 Volt Input range Continuous /
One-Shot operation
o
Single or 4-channel automatic
sequential conversions
On-Chip Voltage Reference
Programmable Current Source
Operational Amplifier
2 Digital Potentiometers
1 Digitally Controlled Switch
Power Saving Features + Clock Control
Power-on Reset with Brown-Out Detect
Watchdog Timer
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
F
IGURE
2: VMX51C1020
QFP-64
P
ACKAGE
P
INOUT
4
8
49
32
33
64
16
17
1
P1.3 PWM3
P1.2 PWM2
INT1
CCU2
P2.0 – CS3-
DGND
P2.2 – CS1-
P2.1 – CS2-
P2.4 – SS-
P2.3 – CS0-
P2.6 – SDO
P2.5 – SCK
VDD
P2.7 – SDI
P1.5
P1.4
O
O
P
P
S
S
R
T
R
T
P
P
P
P
P
P
AGND
OPOUT
ADCI0
XTVREF
ADCI2
ADCI1
VDDA
ADCI3
POT2A
POT2B
ISRCOUT – TA
ISRCIN
PM
RES-
AGND
INT0
P
P
O
O
P
P
V
P
P
P
V
P
N
P
P
N
VMX51C1020
8051
μPROCESSOR
SINGLE CYCLE
In-Circuit
Debugging
through UART0
2 UARTs
Serial Ports
56KB
Program FLASH
(In-Circuit Programmable )
1280 Bytes RAM
(256x8 & 1kX8)
·
·
·
2 Interrupt
inputs
28 I/Os,
Interrupt on
Port1 change
3 Timers,
2 Baud Rate
Generators
4 CCU units
·
·
·
[MULT / ACCU]
Unit with
BARREL
SHIFTER
SPI Interface
I2C Bus
Interface
Power On Reset
Circuit
+
WatchDog Timer
Clock Control Unit
J1708/RS485/
RS422
Compatible
Transceiver
XTAL
+
8 / 16 bit Resolution
(Can be used as D /As)
4 PWM Outputs
2 DIGITAL
POTENTIOMETERS
1 DIGITALLY
CONTROLLED
SWITCH
Operational
Amplifier
Programmable
Current Source
12-BIT A/D
CONVERTER
ISRCIN, ISRCOUT, OPOUT are
internally connected to A/D Input
Multiplexer
A
Band gap
Reference
PGA
XTVREF Input
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