psb21381 Infineon Technologies Corporation, psb21381 Datasheet - Page 44
psb21381
Manufacturer Part Number
psb21381
Description
Siemens Codec With S/t Transceiver
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PSB21381.pdf
(270 pages)
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Data Sheet
2.1.4
The microcontroller clock is provided by the pin MCLK. Three clock rates are selectable
by a programmable prescaler (see chapter clock generation figure 89) which is
controlled by the MODE1.MCLK bit corresponding to the following table.
The possible MCLK frequencies are listed in table 6.
Table 6
MCLK Frequencies
The clock rate is changed after CS becomes inactive.
MCLK
Bits
’00’
’01’
’10’
’11’
Microcontroller Clock Generation
MCLK Frequency
3.84 MHz (default)
0.96 MHz
7.68 MHz
disabled
34
PSB 21381/2
PSB 21383/4
Interfaces
2001-03-12
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