參數(shù)資料
型號: TDA5251F1
廠商: INFINEON TECHNOLOGIES AG
英文描述: ASK/FSK 315MHz Wireless Transceiver
中文描述: 詢價/ FSK信號315MHz的無線收發(fā)器
文件頁數(shù): 34/88頁
文件大?。?/td> 2086K
代理商: TDA5251F1
TDA5251 F1
Version 1.0
Functional Description
Preliminary Specification
34
2003-02-18
Confidential
This means that the device needs t
DDSU
setup time to start the data detection after RX is activated.
When activating TX it requires t
TXSU
setup time to enable the power amplifier.
For timing information refer to
Table 4-3
.
For test purposes a TESTMODE is provided by the Sequencer as well. In this mode the BLOCK_PD
register be set to various values. This will override the Sequencer timing. Depending on the settings
in Config Register 00H the corresponding building blocks are enabled, as shown in the subsequent
figure.
sequencer_raw.wmf
Figure 2-17
Sequencer‘s capability
2.4.19
Clock Divider
It supports an external logic with a programmable Clock at
pin 26 (CLKDIV)
.
clk_div.wmf
Figure 2-18
Clock Divider
The Output Selection and Divider Ratio can be set in the CLK_DIV register.
INTERNAL BUS
B
R
ASK/FSK
TX ON
RX ON
S
32 kHz
RESET
T
A
16
16
C
E
B
RC- OSC.
XTAL FREQU.
SELECT
16
T
D
2
4 BIT
COUNTER
13 MHz
CLKDiv
INTERNAL BUS
D
B
S
32 kHz
WINDOW COUNT COMPLETE
D
D
26
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