參數(shù)資料
型號: PCF50732
廠商: NXP Semiconductors N.V.
英文描述: Baseband and audio interface for GSM
中文描述: 用于GSM基帶和音頻接口
文件頁數(shù): 33/64頁
文件大?。?/td> 322K
代理商: PCF50732
1999 May 03
33
Philips Semiconductors
Objective specification
Baseband and audio interface for GSM
PCF50732
Table 27
RAM interface register (address 1101 and subaddresses)
X = don’t care during a read/or write access.
12.3.10 B
ASEBAND RECEIVE CONTROL REGISTER
Normal bandwidth refers to an input signal bandwidth of 100 kHz used for ZIF operation, double bandwidth is 200 kHz
used for NZIF operation. Normal sampling refers to a sampling rate of
1
2
MCLK, double sampling refers to sampling at
MCLK.
Table 28
Baseband receive control register (address 1110)
Notes
1.
2.
Default value.
Do not use this function.
FUNCTION
SUBADDRESS
VALUE
11
(s1)
10
(s0)
9
8
7
6
5
4
3
2
1
0
VSP instruction RAM data low-byte
VSP instruction RAM data high-byte
VSP instruction RAM program counter
VSP interface register
0
0
1
1
0
1
0
1
X
X
X
x9
X
X
a8
x8
d7
d7
a7
x7
d6
d6
a6
x6
d5
d5
a5
x5
d4
d4
a4
x4
d3
d3
a3
x3
d2
d2
a2
x2
d1
d1
a1
x1
d0
d0
a0
x0
FUNCTION
VALUE
OUTPUT
RATE
11
10
9
8
7
6
5
4
3
2
1
0
Normal bandwidth;
normal sampling (ZIF)
double sampling; note 2
Double bandwidth;
normal sampling (NZIF)
double sampling
0
0
0
0
don’t care
0
0
0
1
271 kHz
(1)
135 kHz
0
0
0
0
don’t care
1
1
0
1
542 kHz
271 kHz
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