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參數資料
型號: PCF5083
廠商: NXP Semiconductors N.V.
英文描述: STEEL COVER
中文描述: GSM信號處理IC
文件頁數: 69/136頁
文件大?。?/td> 602K
代理商: PCF5083
1996 Oct 29
69
Philips Semiconductors
Objective specification
GSM signal processing IC
PCF5083
CM_decoder_TCHFS
Channel decoder and de-interleaver for the full-rate speech traffic channel
and FACCH in accordance with “GSM Rec. 05.03” The CMI values located
in TCH_CMI_BUFF are decoded. The decoded bits are stored in
SCRATCH_BUFF.
rxqual_ber (format 16-bit integer) reflects the estimated bit error rate at the
input of the channel decoder (hard decision assumed) multiplied by 4096.
bfi_facch is the bad frame indication:
bfi_facch = 0; the decoded FACCH message is OK
bfi_facch = 1; a parity error has been detected
bfi_facch = 2; a bad metric error has been detected
bfi_facch = 3; both parity
and
bad metric errors have been detected.
The facch_flag indications:
facch_flag = 0; indicates that no FACCH message has been received. In
this event facch_msg[12] contains zeros
facch_flag = 1; indicates that a FACCH message has been decoded and is
returned into facch_msg[12].
The facch_msg[12] contains the 184 bits of the decoded FACCH message.
The bits are stored in a packed format with 16-bits per word and LSB first
order. Unused MSB’s are set to zero.
CM_decoder_TCHFS_init
10
rxqual_ber
bfi_facch
facch_flag
facch_msg[12]
Initialization of CM_decoder_TCHFS.
CM_encoder_CCH
11
Channel decoder for control channels. In accordance with
“GSM Rec. 05.03”this procedure can be used for the following channels:
SACCH: Slow Associated Control Channel
SDCCH: Stand-alone Dedicated Control Channel.
The encoded data is stored in CCH_INFO_BUFF.
The cch_msg[12] contains the 184 bits of the decoded CCH message. The
bits are stored in a packed format with 16-bits per word and LSB first order.
Unused MSB’s are set to zero.
12
cch_msg[12]
DESCRIPTION
ID
PARAMETERS
RETURN
VALUES
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相關代理商/技術參數
參數描述
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 數據總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數據 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 數據總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數據 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 安裝風格:SMD/SMT
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