Abov MC96F8204 Series User Manual

87
MC96F8204
ABOV Semiconductor Co., Ltd.
XTFLSR (X-tal Filter Selection Register): BFH
7
6
5
4
3
2
1
0
WTP4
WTP3
WTP2
WTP1
WTP0
XRNS2
XRNS1
XRNS0
W
W
W
W
W
R/W
R/W
R/W
Initial value: 00H
WTP[4:0]
Write Identification bits. These bits are automatically cleared to “00000b” immediately
after XTFLSR write. 0x00 on read.
10101b
Write 0x15 to these bits with valid XRNS[2:0]
Other values
Write is ignored.
XRNS[2:0]
External Main Oscillator Range selection. This bit is effective only when the fXIN is
selected for system clock.
XRNS2
XRNS1
XRNS0
Description
0
0
0
10.5MHz < x-tal ≤ 12MHz
0
0
1
8.5MHz < x-tal ≤ 10.5MHz
0
1
0
6.5MHz < x-tal ≤ 8.5MHz
0
1
1
4.5MHz < x-tal ≤ 6.5MHz
1
0
0
x-tal ≤ 4.5MHz
Other values
Not used
NOTE)
1. The External Main Oscillator Range(XRNS[2:0]) should be changed while the system clock is selected
as fHFIRC.

Abov MC96F8204 Series Specifications

General

Brand	Abov
Model	MC96F8204 Series
Category	Microcontrollers
Language	English