EM77950 datasheet(46/102 Pages) EMC

46 / 102 page

EM77950

BB Controller

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Product Specification (V1.0) 10.09.2007

(This specification is subject to change without further notice)

7.4 Code Option (ROM-0x2FFF)

values will be fetched first to be the system initial values as power-on.

SCLKC:

System Clock Control Register

SCLKC

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0x2FFF

RFCLK1 RFCLK0

SCLK1

SCLK0

SCLKC

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

0x2FFF

Bit 1 ~ Bit 2 (SCLKS1 ~ SCLKS0):

System Clock Frequency Select Control Bits

SCLK1

SCLK0

System Clock (MHz)

Bit 3 ~ Bit 4 (RFCK1 ~ RFCK0):

Wireless Modem Clock Frequency Select Control Bits

RFCLK1

RFCLK0

System Clock (MHz)

Bit5 ~ 15:

Reserved

SCLK [1:0]

RFCLK [1:0] WDT_CON.GREEN

SYS CLK

RF CLK

Note

Bypass

1~20MHz

(6MHz)

00/01/10/11

01/10/11

6/12/24/48

12/24/48

01/10/11

00/01/10/11

12/24/48

6/12/24/48

00/01/10/11

IRC

6/12/24/48

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