參數(shù)資料
型號(hào)： PCF5083
廠商： NXP Semiconductors N.V.
英文描述： STEEL COVER
中文描述： GSM信號(hào)處理IC
文件頁(yè)數(shù)： 81/136頁(yè)
文件大小： 602K
代理商： PCF5083
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1996 Oct 29
81
Philips Semiconductors
Objective specification
GSM signal processing IC
PCF5083
MP_convert_cmi
This procedure may be used to make a loopback between equalizer output
and burst builder input. It converts the 114 soft outputs (CMIs) of the
equalizer located in cmi_buff_id into 114 ‘hard’ bits. These bits are stored in
buffer info_buff_id.
MP_exec_reset
22
cmi_buff_id
info_buff_id
This procedure is used to execute a reset synchronous to the input
message queue. The difference to the RESET message is, that this
procedure is not executed immediately after it is found in the input queue.
The reset_action is the same as the one of the RESET message.
MP_if_enough_audio_in_samples
60
reset_action
This procedure is used for conditional execution of procedures. The
following n_procs procedures are executed if the audio input FIFO contains
at least n_samples samples, otherwise the procedures are skipped.
MP_iom2_disable
42
n_samples
n_procs
This procedure disables the IOM
-2 interrupts of the DSP. This results in a
reduced computational load of the DSP and therefore also in reduced
power consumption.
MP_iom2_enable
44
This procedure enables the IOM
-2 interrupts of the DSP. Sending or
receiving data over the IOM
-2 interface is only possible if this procedure
has been called. After reset the IOM
-2 interrupts are disabled. After the
call of MP_iom2_enable the audio FIFOs are initialized as follows: The
audio input FIFO contains 1 sample (value = 0xFFFD) and the audio output
FIFO contains 148 samples (value = 0xFFFD). This procedure must
therefore be called before the MP_AUDIO_SYNC procedure.
MP_offset_compensation
45
This procedure performs offset measurement and compensation. The
following function is performed:
(i_offset, q_offset) = EM_offset_measurement (n_samples)
MP_read_bbd_in_FIFO_init (i_offset, q_offset).
MP_read_audio_in_fifo
63
n_words words from the audio data input FIFO are copied to the buffer
buff_id in the DSP data memory. This FIFO collects the audio samples from
the ADC converter located in the handset. The procedure waits until the
FIFO contains sufficient data. The time-out is expressed in steps of 100
μ
s.
If time-out occurs a TIMEOUT_AUDIO_IN_FIFO error message is
automatically sent to the SC.
46
buff_id
n_words
timeout_val
DESCRIPTION
ID
PARAMETERS
RETURN
VALUES
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF5083H/001/F2 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GSM signal processing IC
PCF5083H/5V2/F3 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GSM signal processing IC
PCF5083H/F2 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GSM signal processing IC
PCF51AC128ACFUE 功能描述:32位微控制器 - MCU 32 Bit 128K FLASH 32K RAM CAN EN RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
PCF51AC128ACLKE 功能描述:32位微控制器 - MCU 32 Bit 128K FLASH 32K RAM CAN EN RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
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