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| 型号： | 101-0523 |
| 厂商： | Rabbit Semiconductor |
| 文件页数： | 115/128页 |
| 文件大小： | 0K |
| 描述： | KIT DEV RABBIT3000/RCM3000 |
| 标准包装： | 1 |
| 系列： | RabbitCore 3000 |
| 类型： | MPU 模块 |
| 适用于相关产品： | RCM3000 |
| 所含物品： | RabbitCore 模块、开发板、交流适配器、缆线和 Dynamic C? 光盘 |
| 其它名称： | 316-1017 |
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E.3 Using Parallel Port F
Parallel Port F is a byte-wide port with each bit programmable for data direction and drive.
These are simple inputs and outputs controlled and reported in the Port F Data Register.
As outputs, the bits of the port are buffered, with the data written to the Port F Data Regis-
ter transferred to the output pins on a selected timing edge. The outputs of Timer A1,
Timer B1, or Timer B2 can be used for this function, with each nibble of the port having a
separate select field to control this timing. These inputs and outputs are also used for
access to other peripherals on the chip.
As outputs, Parallel Port F can carry the four Pulse Width Modulator outputs on PF4–PF 7
(J6 pins 5–8). As inputs, Parallel Port F can carry the inputs to the quadrature decoders on
PF0–PF3 (J6 pins 1–4). When Serial Port C or Serial Port D is used in the clocked serial
mode, two pins of Port F (PF0 / J6:1 and PF1 / J6:2) are used to carry the serial clock sig-
nals. When the internal clock is selected in these serial ports, the corresponding bit of
Parallel Port F is set as an output.
E.3.1 Parallel Port F Registers
Data Direction Register — PFDDR , address 00111111 (0x3F), write-only, default value on
reset 00000000. For each bit position, write a 1 to make the corresponding port line an
output, or 0 to produce an input.
Drive Control Register — PFDCR , address 00111110 (0x3E), Write-only, no default on
reset (port defaults to all inputs). Effective only if the corresponding port bits are set as
outputs, each bit set to 1 configures the corresponding port bit as open drain. Setting the
bit to 0 configures that output as active high or low.
Function Register — PFFR , address 00111101 (0x3D), Write-only, no default on reset.
This register sets the alternate output function assigned to each of the pins of the port.
When set to 0, the corresponding port pin functions normally as an output (if configured to
be an output in PFDDR ). When set to 1, each bit sets the corresponding pin to have the
alternate output function as shown in the summary table at the end of this section.
Control Register — PFCR , address 00111100 (0x3C), Write-only, default on reset
xx00xx00. This register sets the transfer clock, which controls the timing of the outputs on
each nibble of the output ports to allow close synchronization with other events. The sum-
mary table at the end of this section shows the settings for this register. The default values
on reset transfer the output values on CLK /2.
Data Register — PFDR , address 00111000 (0x38), Read or Write, no default value on
reset. On read, the current state of the pins is reported. On write, the output buffer is writ-
ten with the value for transfer to the output port register on the next rising edge of the
transfer clock, set in the PFCR .
User ’s Manual
107
相关PDF资料 |
PDF描述 |
|---|---|
| 101-1109 | KIT EMBEDDED PLC APPLICATION |
| 101-1147 | KIT RIO PROGRAM I/O |
| 101-606 | CONN SOCKET IDC 60POS W/KEY GOLD |
| 10113616-01531LF | CONN MOD JACK 8PORT 8/8 R/A PCB |
| 10117863-5036010LF | CONN MOD JACK 8/8 R/A PCB |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 101-0524 | 功能描述:KIT DEV RABBIT RCM3000 INTL RoHS:否 类别:编程器，开发系统 >> 通用嵌入式开发板和套件（MCU、DSP、FPGA、CPLD等） 系列:RabbitCore 3000 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板，软件，4x4 键盘，光学拨轮，QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA |
| 101-0525 | 功能描述:开发板和工具包 - 其他处理器 LP3500 RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| 101-0526 | 功能描述:开发板和工具包 - 其他处理器 LP3510 RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| 101-0529 | 功能描述:开发板和工具包 - 其他处理器 LP3500 Tool Kit RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| 101053 | 制造商:RUKO 功能描述:Bulk |
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