參數(shù)資料
型號： DS87C550
英文描述： EPROM High-Speed Micro with A/D and PWM
中文描述： 存儲器高速微與A / D及PWM
文件頁數(shù)： 6/50頁
文件大?。?/td> 763K
代理商： DS87C550
DS87C550
6 of 50
PLCC/
CLCC
1,
62-68
QFP
64-71
SIGNAL NAME
P5.0-P5.7
DESCRIPTION
Port 5 - I/O.
Port 5 functions as an open-drain 8-bit bi-directional I/O port or
alternately as an interface to the A/D converter. When used for general purpose
I/O, these pins operate in a quasi-bi-directional mode. Writing a logic 1 to these
pins (reset condition) will cause them to tri-state. This allows the pins to serve as
inputs since the tri-state condition can be driven by an external device. If a logic 0
is written to a pin, it is pulled down internally and therefore serves as an output
pin containing a logic 0. Because these pins are open-drain, external pullup
resistors are required to create a logic 1 level when they are used as outputs. As
an alternate function Port 5 pins operate as the analog inputs for the A/D
converter as described below.
Port
P5.0
P5.1
P5.2
P5.3
P5.4
P5.5
P5.6
P5.7
Port 6 - I/O.
Port 6 functions as an 6-bit bi-directional I/O port or alternately as
an interface to the PWM and A/D on-board peripherals. As an I/O port, these pins
operate as described in Port 1. The alternate modes of Port 6 are detailed below.
Alternate Mode
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
1
68
67
66
65
64
63
62
71
70
69
68
67
66
65
64
Analog to Digital Converter input channel 0
Analog to Digital Converter input channel 1
Analog to Digital Converter input channel 2
Analog to Digital Converter input channel 3
Analog to Digital Converter input channel 4
Analog to Digital Converter input channel 5
Analog to Digital Converter input channel 6
Analog to Digital Converter input channel 7
3-6, 32
33, 38
28, 29
37
74-77
P6.0-P6.5
P6.7
Port
P6.0
P6.1
P6.2
P6.3
P6.4
P6.5
P6.7
A/D +Reference -
Input. When selected, supplies the positive reference voltage
for the A/D converter. This signal should be isolated from digital V
CC
to prevent
noise from affecting A/D measurements.
A/D -Reference -
Input. When selected, supplies the negative reference voltage
for the A/D converter. This signal should be isolated from digital GND to prevent
noise from affecting A/D measurements.
Analog V
CC
Analog Ground
NC-Reserved.
These pins should not be connected. They are reserved for use
with future devices in this family.
Alternate Function
PWMO0
PWMO1
PWMO2
PWMO3
PWMC0
PWMC1
STADC
4
5
32
33
6
38
3
59
75
76
28
29
77
37
74
60
PWM channel 0 output
PWM channel 1 output
PWM channel 2 output
PWM channel 3 output
PWM0 clock input
PWM1 clock input
External A/D conversion start signal (active low)
A
vref+
58
59
A
vref-
61
60
63
61
A
VCC
A
VSS
NC
3, 21
22, 30
33, 36
43, 44
62, 73
78, 79
相關(guān)PDF資料
PDF描述
DS87C550-QCL EPROM High-Speed Micro with A/D and PWM
DS87C550-FCL EPROM High-Speed Micro with A/D and PWM
DS87C550-FNL EPROM High-Speed Micro with A/D and PWM
DS87C550-KCL EPROM High-Speed Micro with A/D and PWM
DS87C550-QNL EPROM High-Speed Micro with A/D and PWM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS87C550-FCL 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM High-Speed Micro with A/D and PWM
DS87C550-FNL 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM High-Speed Micro with A/D and PWM
DS87C550-KCL 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM High-Speed Micro with A/D and PWM
DS87C550-QCL 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM High-Speed Micro with A/D and PWM
DS87C550-QCL+ 功能描述:IC MCU EPROM ADC/PWM HS 68-PLCC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:87C 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:260 系列:73S12xx 核心處理器:80515 芯體尺寸:8-位 速度:24MHz 連通性:I²C，智能卡，UART/USART，USB 外圍設(shè)備:LED，POR，WDT 輸入/輸出數(shù):9 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-VFQFN 裸露焊盤 包裝:管件
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