PEB20570FV31XP Infineon Technologies, PEB20570FV31XP Datasheet - Page 253
PEB20570FV31XP
Manufacturer Part Number
PEB20570FV31XP
Description
Manufacturer
Infineon Technologies
Datasheet
1.PEB20570FV31XP.pdf
(308 pages)
Specifications of PEB20570FV31XP
Lead Free Status / Rohs Status
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6.2.11.5 REFCLK Control Register
REFCLK Control Register (CREFCLK) read/write
Reset value: 0003
Note: ’x’ = unused bits, read as 0.
REFCLK may be configured as an input or as an output. When configured as an input,
it may be used as a source for the on-chip DCXO 8kHz reference clock. This option is
handled by the DCXO Reference Clock Select Register (CREFSEL).
When configured as an output it is derived from XCLK input pin. In order to drive
REFCLK, XCLK may be divided by 256, 192, 4, 3 or 1.
REFCLKEN
REFDIV(2:0) REFCLK Pin Output Divider Selection
Data Sheet
15
7
x
x
REFCLK Pin Output Enable
0 =
1 =
This determines the value by which the XCLK maximum clock of 2.048
MHz is divided internally.
000 =
001 =
010 =
011 =
100 =
H
14
x
6
x
REFCLK is input, the pad is not output enabled
REFCLK is output
Division by 256
Division by 192
Division by 4
Division by 3 (default)
Division by 1
13
5
x
x
12
4
x
x
236
REFCLKEN
11
3
x
10
2
x
Register Description
REFDIV(2:0)
Address: D084
9
1
x
PEB 20570
PEB 20571
2003-07-31
8
x
0
H
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