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參數(shù)資料
| 型號(hào)： | ADSP-21488KSWZ-3A |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 7/68頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CCD SIGNAL PROCESSOR 100LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | SHARC® |
| 類型： | 浮點(diǎn) |
| 接口： | EBI/EMI，DAI，I²C，SPI，SPORT，UART/USART |
| 時(shí)鐘速率： | 350MHz |
| 非易失內(nèi)存： | 外部 |
| 芯片上RAM： | 3Mb |
| 電壓 - 輸入/輸出： | 3.30V |
| 電壓 - 核心： | 1.10V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-LQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 100-LQFP-EP（14x14） |
| 包裝： | 托盤 |
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Rev. B
|
Page 15 of 68
|
March 2013
SDRAS
O/T (ipu)
High-Z/
driven high
SDRAM Row Address Strobe. Connect to SDRAM’s RAS pin. In conjunction with other
SDRAM command pins, defines the operation for the SDRAM to perform.
SDCAS
O/T (ipu)
High-Z/
driven high
SDRAM Column Address Select. Connect to SDRAM’s CAS pin. In conjunction with
other SDRAM command pins, defines the operation for the SDRAM to perform.
SDWE
O/T (ipu)
High-Z/
driven high
SDRAM Write Enable. Connect to SDRAM’s WE or W buffer pin. In conjunction with
other SDRAM command pins, defines the operation for the SDRAM to perform.
SDCKE
O/T (ipu)
High-Z/
driven high
SDRAM Clock Enable. Connect to SDRAM’s CKE pin. Enables and disables the CLK
signal. For details, see the data sheet supplied with the SDRAM device.
SDA10
O/T (ipu)
High-Z/
driven high
SDRAM A10 Pin. Enables applications to refresh an SDRAM in parallel with non-SDRAM
accesses. This pin replaces the DSP’s ADDR10 pin only during SDRAM accesses.
SDDQM
O/T (ipu)
High-Z/
driven high
DQM Data Mask. SDRAM Input mask signal for write accesses and output mask signal
for read accesses. Input data is masked when DQM is sampled high during a write cycle.
The SDRAM output buffers are placed in a High-Z state when DQM is sampled high
during a read cycle. SDDQM is driven high from reset de-assertion until SDRAM initial-
ization completes. Afterwards it is driven low irrespective of whether any SDRAM
accesses occur or not.
SDCLK
O/T (ipd)
High-Z/
driving
SDRAM Clock Output. Clock driver for this pin differs from all other clock drivers. See
Figure 41 on Page 55. For models in the 100-lead package, the SDRAM interface should
be disabled to avoid unnecessary power switching by setting the DSDCTL bit in SDCTL
register. For more information, see the ADSP-214xx SHARC Processor Hardware Reference.
DAI _P20–1
I/O/T (ipu)
High-Z
Digital Applications Interface. These pins provide the physical interface to the DAI
SRU. The DAI SRU configuration registers define the combination of on-chip audio-
centric peripheral inputs or outputs connected to the pin and to the pin’s output enable.
The configuration registers of these peripherals then determines the exact behavior of
the pin. Any input or output signal present in the DAI SRU may be routed to any of these
pins.
DPI _P14–1
I/O/T (ipu)
High-Z
Digital Peripheral Interface. These pins provide the physical interface to the DPI SRU.
The DPI SRU configuration registers define the combination of on-chip peripheral
inputs or outputs connected to the pin and to the pin’s output enable. The configu-
ration registers of these peripherals then determines the exact behavior of the pin. Any
input or output signal present in the DPI SRU may be routed to any of these pins.
WDT_CLKIN
I
Watchdog Timer Clock Input. This pin should be pulled low when not used.
WDT_CLKO
O
Watchdog Resonator Pad Output.
WDTRSTO
O (ipu)
Watchdog Timer Reset Out.
THD_P
I
Thermal Diode Anode. When not used, this pin can be left floating.
THD_M
O
Thermal Diode Cathode. When not used, this pin can be left floating.
Table 11. Pin Descriptions (Continued)
Name
Type
State
During/
After Reset
Description
The following symbols appear in the Type column of this table: A = asynchronous, I = input, O = output, S = synchronous, A/D = active drive,
O/D = open drain, and T = three-state, ipd = internal pull-down resistor, ipu = internal pull-up resistor.
The internal pull-up (ipu) and internal pull-down (ipd) resistors are designed to hold the internal path from the pins at the expected logic
levels. To pull-up or pull-down the external pads to the expected logic levels, use external resistors. Internal pull-up/pull-down resistors cannot
be enabled/disabled and the value of these resistors cannot be programmed. The range of an ipu resistor can be between 26 kΩ–63 kΩ. The
range of an ipd resistor can be between 31 kΩ–85kΩ. The three-state voltage of ipu pads will not reach to the full VDD_EXT level; at typical
conditions the voltage is in the range of 2.3 V to 2.7 V.
In this table, all pins are LVTTL compliant with the exception of the thermal diode pins.
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| ADSP-21488KSWZ-3A1 | 功能描述:IC DSP SHARC 400MHZ 100LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號(hào)處理器） 系列:SHARC® 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI，以太網(wǎng)，RS-232 時(shí)鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA（20x20） 包裝:托盤 |
| ADSP-21488KSWZ-3B | 功能描述:IC CCD SIGNAL PROCESSOR 176LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號(hào)處理器） 系列:SHARC® 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI，以太網(wǎng)，RS-232 時(shí)鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA（20x20） 包裝:托盤 |
| ADSP-21488KSWZ-4A | 功能描述:IC CCD SIGNAL PROCESSOR 100LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號(hào)處理器） 系列:SHARC® 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI，以太網(wǎng)，RS-232 時(shí)鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA（20x20） 包裝:托盤 |
| ADSP-21488KSWZ-4B | 功能描述:IC CCD SIGNAL PROCESSOR 176LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - DSP（數(shù)字式信號(hào)處理器） 系列:SHARC® 標(biāo)準(zhǔn)包裝:2 系列:StarCore 類型:SC140 內(nèi)核 接口:DSI，以太網(wǎng)，RS-232 時(shí)鐘速率:400MHz 非易失內(nèi)存:外部 芯片上RAM:1.436MB 電壓 - 輸入/輸出:3.30V 電壓 - 核心:1.20V 工作溫度:-40°C ~ 105°C 安裝類型:表面貼裝 封裝/外殼:431-BFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:431-FCPBGA（20x20） 包裝:托盤 |
| ADSP-21488KSWZ-4B1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:SHARC Processor |
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