参数资料
型号: 101-0814
厂商: Rabbit Semiconductor
文件页数: 52/94页
文件大小: 0K
描述: COMPUTER SNG BD BL1810 512K SRAM
标准包装: 10
系列: SBC
模块/板类型: 单板计算机模块
适用于相关产品: BL1810
52
Jackrabbit (BL1800)
sets the state of a digital output bit.
jrioInit must be called first.
channel is the output channel number (0-3 on the Jackrabbit).
value is the output value (0 or 1).
sets the state of a digital output bit to on (1).
jrioInit must be called first.
channel is the output channel number (0–3 on the Jackrabbit).
sets the state of a digital output bit to off (0).
jrioInit must be called first.
channel is the output channel number (0–3 on the Jackrabbit).
NOTE: See the sample program JRIOTEST.C for an example of using the digital out-
put functions.
4.4.1.3 Analog Output
The two analog output channels on the Jackrabbit (DA0 and DA1 on header J5) are con-
trolled by a pulse-width modulation (PWM) driver. This requires the use of some fraction
of the CPU cycles when the driver is running (up to 20% when both D/A channels are
used). A voltage is selected by giving a value from 0 to 1024 to the driver, corresponding
roughly to 0.1 V to 3.5 V on DA0. Because of the PWM interrupt frequency, the PWM
driver can provide a continuous range of voltage output in the range from 0.1 V to 3.0 V
for DA0, and 0.6 V to 3.6 V for DA1. These ranges can be specified with the constants
PWM_MIN
, PWM_MAX0, and PWM_MAX1. In other words, setting channel DA0 to the value
PWM_MIN
will output 0.1 V, and setting it to PWM_MAX0 will output 3.0 V. Similarly, set-
ting DA1 to PWM_MIN will output 0.6 V, and setting it to PWM_MAX1 will output 3.6 V. Val-
ues below PWM_MIN will be rounded down to 0, and values above PWM_MAX0 (PWM_MAX1
for DA1) will be rounded up to 1024.
The output channels can also be set in an “always on” or “always off” mode, which does
not require CPU cycles. The “always on” mode is set by requesting an output value of
1024, and will provide about 3.4 V on channel DA0, and 3.6 V on DA1. The “always off”
mode is selected by asking for a value of 0, and provides an output of around 0.1 V on
DA0 and 0.0 V on DA1.
See Table 5 for a summary of the possible analog output voltages corresponding to values
given in the anaOut function.
void digOut(int channel, int value);
void digOn(int channel);
void digOff(int channel);
相关PDF资料
PDF描述
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参数描述
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101-0816 功能描述:KIT DEV RABBITCORE TCP/IP 2000 RoHS:否 类别:编程器,开发系统 >> 过时/停产零件编号 系列:* 标准包装:1 系列:- 类型:MCU 适用于相关产品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、缆线、软件、数据表和用户手册 其它名称:520-1035
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101-0818 功能描述:单板计算机 BL2100 Fric Lk 512K RoHS:否 制造商:Ampro By ADLINK 外观尺寸:EPIC 处理器类型:Intel Atom D510 频率:1.66 GHz 存储容量:2 GB (max) 存储类型:DDR2, L2 Cache 接口类型:Ethernet, PS/2, SATA, Serial, USB 工作电源电压:5 V, 12 V 功耗:13 W 最大工作温度:+ 70 C 尺寸:165.1 mm x 114.3 mm
101-0820 功能描述:COMPUTER SGL-BD BL2000 SRAM/FLSH RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器或微处理器模块 系列:SBC 产品目录绘图:DLP-245SY-G 标准包装:1 系列:USB 模块/板类型:开发板 适用于相关产品:USB 其它名称:813-1006