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參數(shù)資料
| 型號： | DS87C550-QNL |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/49頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU EPROM ADC/PWM HS 68-PLCC |
| 標(biāo)準(zhǔn)包裝： | 18 |
| 系列： | 87C |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 33MHz |
| 連通性： | EBI/EMI，SIO，UART/USART |
| 外圍設(shè)備： | 電源故障復(fù)位，PWM，WDT |
| 輸入/輸出數(shù)： | 55 |
| 程序存儲器容量： | 8KB（8K x 8） |
| 程序存儲器類型： | OTP |
| RAM 容量： | 1K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4.5 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 6x10b |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 68-LCC（J 形引線） |
| 包裝： | 管件 |
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REV: 070505
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
FEATURES
§ 87C52 Compatible
-
8051 pin and instruction set compatible
-
Three 16-bit timer/counters
-
256 bytes scratchpad RAM
§ On-Chip Memory
-
8kB EPROM (OTP & Windowed Packages)
-
1kB extra on-chip SRAM for MOVX access
§ On-Chip Analog-to-Digital Converter
-
Eight channels of analog input, 10-bit
resolution
-
Fast conversion time
§ Pulse-Width Modulator Outputs
-
Four channels of 8-bit PWM
-
Channels cascadable to 16-bit PWM
§ Four Capture plus Three Compare Registers
§ 55 I/O Port Pins
§ New Dual Data Pointer Operation
-
Either data pointer can be incremented or
decremented
§ ROMSIZE Feature
-
Sets effective on-chip ROM size from 0 - 8kB
-
Allows access to entire external memory map
-
Dynamically adjustable by software
§ High-Speed Architecture
-
4 clocks/machine cycle (8051 = 12)
-
Runs DC to 33MHz clock rates
-
Single-cycle instruction in 121ns
-
New Stretch Cycle feature allows access to
fast/slow memory or peripherals
§ Unique Power Savings Modes
§ EMI Reduction Mode Disables ALE if Not
Needed
§ High-Integration Controller Includes:
-
Power-fail reset
-
Early-warning power-fail interrupt
-
Two full-duplex hardware serial ports
-
Programmable watchdog timer
§ 16 Total Interrupt Sources with Six External
§ Available in 68-Pin PLCC, 80-Pin PQFP, and
68-Pin Windowed CLCC
The High-Speed Microcontroller User’s Guide and High-Speed
Microcontroller User’s Guide: DS87C550 Supplement must be used
in conjunction with this data sheet. Download them at
PIN CONFIGURATIONS
DS87C550
EPROM High-Speed Microcontroller
with ADC and PWM
www.maxim-ic.com
9
1
61
27
43
10
26
60
44
PLCC, Windowed CLCC
DS87C550
1
24
64
41
40
25
65
80
DS87C550
PQFP
TOP VIEW
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