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參數(shù)資料
| 型號： | DSP56854FG120 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 英文描述： | 16-bit Digital Signal Controllers |
| 中文描述： | 16位數(shù)字信號控制器 |
| 文件頁數(shù)： | 16/60頁 |
| 文件大小： | 836K |
| 代理商： | DSP56854FG120 |
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56854 Technical Data, Rev. 6
16
Freescale Semiconductor
85
HRWB
HRD
GPIOB11
Input
Input
Input/Output
Host Read/Write (HRWB)
—When the HI08 is programmed to
interface to a single-data-strobe host bus and the HI function is
selected, this signal is the Read/Write input.
These pins are disconnected internally.
Host Read Data (HRD)
—This signal is the Read Data input when
the HI08 is programmed to interface to a double-data-strobe host
bus and the HI function is selected.
Port B GPIO (11)
—This pin is a General Purpose I/O (GPIO) pin
when not configured for host port usage.
103
HDS
HWR
GPIOB12
Input
Input
Input/Output
Host Data Strobe (HDS)
—When the HI08 is programmed to
interface to a single-data-strobe host bus and the HI function is
selected, this input enables a data transfer on the HI when HCS is
asserted.
These pins are disconnected internally.
Host Write Enable (HWR)
—This signal is the Write Data input
when the HI08 is programmed to interface to a double-data-strobe
host bus and the HI function is selected.
Port B GPIO (12)
—This pin is a General Purpose I/O (GPIO) pin
when not configured for host port usage.
104
HCS
GPIOB13
Input
Input/Output
Host Chip Select (HCS)
—This input is the chip select input for the
Host Interface.
These pins are disconnected internally.
Port B GPIO (13)
—This pin is a General Purpose I/O (GPIO) pin
when not configured for host port usage.
105
HREQ
HTRQ
GPIOB14
Open Drain
Output
Open Drain
Output
Input/Output
Host Request (HREQ)
—When the HI08 is programmed for
HRMS=0 functionality (typically used on a single-data-strobe bus),
this open drain output is used by the HI to request service from the
host processor. The HREQ may be connected to an interrupt
request pin of a host processor, a transfer request of a DMA
controller, or a control input of external circuitry.
These pins are disconnected internally.
Transmit Host Request (HTRQ)
—This signal is the Transmit Host
Request output when the HI08 is programmed for HRMS=1
functionality and is typically used on a double-data-strobe bus.
Port B GPIO (14)
—This pin is a General Purpose I/O (GPIO) pin
when not configured for host port usage.
Table 3-1. 56854 Signal and Package Information for the 128-pin LQFP (Continued)
Pin No.
Signal Name
Type
Description
相關PDF資料 |
PDF描述 |
|---|---|
| DSP56855BU120 | 16-bit Digital Signal Controllers |
| DSP56855BUE | 16-bit Digital Signal Controllers |
| DSP56855E | 16-bit Digital Signal Controllers |
| DSP56857BUE | 16-bit Digital Signal Controllers |
| DSP56857E | 16-bit Digital Signal Controllers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DSP56854FGE | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 120Mhz/120MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| DSP56854PB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:56854 Digital Signal Processor Product Brief |
| DSP56855 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Digitial Signal Controller |
| DSP56855BU120 | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 120Mhz/120MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| DSP56855BUE | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 BIT HYBRID CONTROLLER RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
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