High-Frequency (Hf) Oscillator Registers - Semtech SH3000 User Manual

3.3 High-Frequency (HF) Oscillator Registers

NAME
0x0E
Config
0x0F
FLLcontrol
SH3000UM version 0.95
Copyright ©2002 Semtech Corporation
RESET RESET
EVENT VALUE
P 1 b7 XTALtune Rewrite-Once Enable (see notes for use)
P W B 0 b6 Register Page for R0x10 through R0x17. 0 =Page0, 1 =Page1.
P W B
0 b5 ForceDCOon. Forces HF Oscillator to run under all conditions.
P W B 0 b4 CLK
0x88
P W B 1 b3 CLK
P W B 0 b2 WdogClkSelect. 1 = CLK
P W B 0 b1 Interrupt Flag Clear. 1 = clear, 0 = no effect, always reads 0.
P W B 0 b0 Interrupt Enable. 1 = enable, 0 = disable.
b7 Reserved, not used
-0-
b6 Reserved, not used
-0-
b5 Reserved, not used
-0-
0x00
b4 Reserved, not used
-0-
or
b3 Reserved, not used
-0-
0x01
P W B 0 b2 Start FLL fine frequency lock (~5 ms to achieve lock).
P W B 0 b1 Start FLL coarse frequency lock (~25 ms to achieve lock).
P W B
0/1 b0 Enable FLL. 1 = enabled, 0 = disabled. On Reset =pin CLK
2002-08
DESCRIPTION
source. 1 = 32 kHz, 0 = HFCLK.
OUT
Enable. 1 = enable, 0 = disable.
OUT
, 0 = 32 kHz.
OUT
SH3000 User Manual
Preliminary
SEL
14
.