參數(shù)資料
型號(hào)： OL2300NHN
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Fractional-N PLL based transmitter
中文描述： SPECIALTY TELECOM CIRCUIT, PQCC16
封裝： 3 X 3 MM, 0.85 MM HEIGHT, LEAD FREE, PLASTIC, MO-220, SOT758-1, VQFN-16
文件頁數(shù)： 6/46頁
文件大?。?/td> 951K
代理商： OL2300NHN
OL2300
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 28 October 2010
6 of 46
NXP Semiconductors
OL2300
Fractional-N PLL based transmitter
SDIO
is the configurable bidirectional data input/output pin of the serial interface. By
default, the bidirectional mode is configured, so SDIO is used for both input and output
data transmission. If ENSDO in register ACON2 is set, SDIO is used as input only and
TEST1 is configured as data output SDO (4-wire interface). The SDO pin is high ohmic
until data is written.
Table 3.
ENSDO
0
1
Data in or data out operation is adapted automatically during SPI communication
sequences.
Table 4.
C1
0
0
1
6.1.3
Reference oscillator
The reference oscillator is a Pierce type with automatic amplitude regulation and gain
control to reduce the total current consumption. The device pins XTAL1 and XTAL2
connect the internal circuitry to the external reference crystal resonator and load
capacitances. To get oscillation on the specified crystal frequency the input capacitances
of the two XTAL pins and PCB parasitics must be considered. The oscillator typically
operates at frequencies ranging from 9 MHz to 19 MHz to achieve the allowed
transmission frequencies.
6.1.4
Baud rate generator
The output pin of the integrated baud rate generator CKOUT, will provide a clock, which is
derived from the XTAL clock frequency. The baud rate is programmable by a special
function register-set (BDSEL, SCSEL). CKOUT is not always active (see
Section 6.7.2
).
6.1.5
Power amplifier
The power amplifier is driven from the PLL synthesizer and operates in single-ended
fashion, according to
Figure 9
.
(Serial data output)/TEST1 control (ENSDO)
SDO/TEST1 control state
pin TEST1 not used (only for test purposes)
pin TEST1 used as SDO (Serial Data Output)
Fig 5.
Command overview
Command overview
C0
0
1
0
Command
write SFR
read SFR
transmit
A-F
start address A5..A0
start address A5..A0
transmit options
001aak383
EN
SCK
SDIO
C1 C0 A
B
C
D
E
F
DATA
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