AD74781
參數(shù)資料
型號(hào): AD7478ARTZ-500RL7
廠商: Analog Devices Inc
文件頁數(shù): 14/25頁
文件大?。?/td> 0K
描述: IC ADC 8BIT 1MSPS LP SOT23-6
標(biāo)準(zhǔn)包裝: 500
位數(shù): 8
采樣率(每秒): 1M
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 17.5mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-6
供應(yīng)商設(shè)備封裝: SOT-23-6
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)單端,單極
AD7476/AD7477/AD7478
Rev. F | Page 20 of 24
01
024
-02
8
SRD
SDATA
AD7476/
AD7477/
AD74781
DSP56xxx1
SCLK
SCK
CS
SC2
1ADDITIONAL PINS OMITTED FOR CLARITY
01
024
-02
9
MISO/PMC0
SDATA
AD7476/
AD7477/
AD74781
MC68HC161
SCLK
SCLK/PMC2
CS
SS/PMC9
1ADDITIONAL PINS OMITTED FOR CLARITY
Figure 28. Interfacing to the DSP56xxx
Figure 29. Interfacing to the MC68HC16
AD7476/AD7477/AD7478 to MC68HC16 Interface
The serial transfer takes place as a 16-bit operation when the
SIZE bit in the SPCR register is set to SIZE = 1. To implement
the power-down mode with an 8-bit transfer, set SIZE = 0.
A connection diagram is shown in Figure 29.
The serial peripheral interface (SPI) on the MC68HC16 is
configured for master mode (MSTR = 1), the clock polarity bit
(CPOL) = 1, and the clock phase bit (CPHA) = 0. The SPI is
configured by writing to the SPI Control Register (SPCR). For
more information on the MC68HC16, check with Motorola for
the related documentation.
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