參數(shù)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(shù): 76/136頁
文件大小: 602K
代理商: PCF5083
1996 Oct 29
76
Philips Semiconductors
Objective specification
GSM signal processing IC
PCF5083
DB_read_register
This function may be used to read the contents of a control or shadow
register of the DSP. If reg_number is out-of-range, the function returns an
error, ERROR_WRONG_PARAMETER. The registers that may be read are
given in Table 59
DB_wait
61
reg_number
reg_contents
Wait for cycles ECLK cycles.
DB_write_buffer
56
cycles
n_words are written into buffer buff_id starting at offset buff_offset; n_words
must not be greater than 17.
32
buff_id
buff_offset
n_words
data[n_words]
reg_number
value
action
DB_write_register
This function may be used to write a control or shadow register of the DSP.
Dependent on the input parameter action the register reg_number is written
with value or the value is interpreted as a mask to set or to clear only
specific bits. The procedure disables the interrupts to make sure that
nobody else can change the registers. If reg_number is out-of-range or if an
attempt is made to set or clear bits in a register, that is only writeable, the
function returns an error (ERROR_WRONG_PARAMETER). The registers
that may be changed are given in Table 60.
The action parameter may be one of following values:
action = 0; write register (reg = value)
action = 1; set bits (reg
value)
action = 2; clear bits (reg
≠ ~
value).
EM_init
62
This procedure sets the output mode for EM_normal_burst and
EM_sync_burst. The output_mode values are defined below:
output_mode = 0; the 4th return value contains the frequency offset df, in
Hz.
output_mode = 1 (default after reset); the 4th return value contains the
imaginary part of the frequency offset df.
82
output_mode
DESCRIPTION
ID
PARAMETERS
RETURN
VALUES
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