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參數(shù)資料
| 型號： | 101-0517 |
| 廠商： | Rabbit Semiconductor |
| 文件頁數(shù)： | 108/110頁 |
| 文件大小： | 0K |
| 描述： | MODULE RABBITCORE RCM3100 |
| 標準包裝： | 1 |
| 系列： | RabbitCore® |
| 模塊/板類型： | MPU 核心模塊 |
| 適用于相關產(chǎn)品： | RCM3100 |
| 其它名稱： | 316-1021 |
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User’s Manual
91
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–PF7
(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.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 101-0518 | 功能描述:模塊化系統(tǒng) - SOM RCM3110 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 101052 | 制造商:RUKO 功能描述:Bulk 制造商:RUKO 功能描述:STEP DRILL 4-30MMX2MM 制造商:RUKO 功能描述:STEP DRILL, 4-30MMX2MM 制造商:RUKO 功能描述:STEP DRILL, 4-30MMX2MM; Drill Bit Size Metric:4mm; Overall Length:100mm; Drill Bit Type:Step; Drill Point Diameter:4mm; Material:HSS; Range:4mm - 30mm; Shank Dia:9mm; Step:2mm ;RoHS Compliant: NA 制造商:RUKO 功能描述:STEP DRILL, 4-30MMX2MM; Drill Bit Size Metric:4mm; Overall Length:100mm; SVHC:No SVHC (19-Dec-2012); Drill Bit Type:Step; Drill Point Diameter:4mm; Material:HSS; Range:4mm - 30mm; Shank Dia:9mm; Step:2mm ;RoHS Compliant: NA |
| 101-0520 | 功能描述:模塊化系統(tǒng) - SOM RCM3200 44.2MHz CPU 512K FLASH RJ45 RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 10-105-2-05 | 制造商:Concord Electronics Inc 功能描述: |
| 10-105208-02P | 制造商:Amphenol Aerospace 功能描述:RECEPT |
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