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| 型号： | TEA5777HN/N2,518 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQCC48 |
| 封装： | 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT-619-1, HVQFN-48 |
| 文件页数： | 11/47页 |
| 文件大小： | 219K |
| 代理商： | TEA5777HN/N2,518 |
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TEA5777_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 11 April 2006
19 of 47
Philips Semiconductors
TEA5777
Low-power AM/FM stereo radio for handheld applications
9.4.2 Read mode
At the falling edge of signal WRITE_READ the bus interface is set to the read mode. Data
is clocked out on every falling edge of the input clock. In the read mode, pin DATA
becomes an open-collector output and an external pull-up resistor is required.
9.4.3 Dbus function in 3-wire mode (silent readout)
Bus pins CLOCK and DATA are bidirectional and act as inputs when bit DBUS = 0, but are
open-collector outputs when bit DBUS = 1. External pull-up resistors are required in this
case.
In Dbus mode, pins CLOCK and DATA are used for output data and pin WRITE_READ is
used as an input.
With a rising edge (write mode) or falling edge (read mode) of signal WRITE_READ the
Dbus mode is deactivated and a transmission is started.
The Dbus mode is activated with bit DBUS = 1 and after transfer of all 6 data bytes in the
write mode or all 3 data bytes in the read mode.
Data on pins CLOCK and DATA in the Dbus mode is given in Table 8.
[1]
H = HIGH-level output voltage
L = LOW-level output voltage
Fig 6.
3-wire bus read data
001aae435
50 %
tsu(clk)
tclk(H)
tclk(L)
td(Q)
th(Q)
tw(R)
50 %
WRITE_READ
CLOCK
DATA
Table 8.
CLOCK and DATA lines in Dbus-mode
Bit
Pin CLOCK
Pin DATA
DBUS
SEARCH IFCE
Signal
Status[1]
Signal
Status[1]
0
X
input
-
input
-
1
0
IFC ag
H = IF in-window mono/stereo ag H = stereo, L = mono
1
IFC ag
H = IF in-window IFCRDY ag
H = IF counter ready
1
X
SFOUND
ag
H = station found BLIM ag
H = band limit
reached
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TEA5777HN-T | 功能描述:调谐器 AM/FM STEREO RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: |
| TEA5971 | 制造商:FILTRAN 制造商全称:Filtran LTD 功能描述:Audio Line Matching Transformer |
| TEA5990UK1S14TS | 制造商:STMicroelectronics 功能描述: |
| TEA5991UK1TM | 功能描述:IC STEREO RADIO FM 20WLCSP/UK RoHS:是 类别:RF/IF 和 RFID >> RF 接收器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 09/Jan/2012 标准包装:50 系列:* 频率:850MHz ~ 2.175GHz 灵敏度:- 数据传输率 - 最大:- 调制或协议:- 应用:* 电流 - 接收:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 特点:- 电源电压:4.75 V ~ 5.25 V 工作温度:0°C ~ 85°C 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| TEA5991UK1TS | 功能描述:IC STEREO RADIO FM 20WLCSP/UK RoHS:是 类别:RF/IF 和 RFID >> RF 接收器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 09/Jan/2012 标准包装:50 系列:* 频率:850MHz ~ 2.175GHz 灵敏度:- 数据传输率 - 最大:- 调制或协议:- 应用:* 电流 - 接收:* 数据接口:PCB，表面贴装 存储容量:- 天线连接器:PCB，表面贴装 特点:- 电源电压:4.75 V ~ 5.25 V 工作温度:0°C ~ 85°C 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
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