Intel 8XC196MH Manual De Usuario
C-23
REGISTERS
FREQ_GEN
FREQ_GEN
(8XC196MD)
(8XC196MD)
Address:
Reset State:
1FB8H
00H
The frequency (FREQ_GEN) register holds a programmed value that specifies the output frequency.
This value is reloaded into the down-counter each time the counter reaches 0.
This value is reloaded into the down-counter each time the counter reaches 0.
7
0
8XC196MD
Output Frequency
Bit
Number
Function
7:0
Output Frequency
Use the following formula to calculate the FREQ value for the desired output frequency
and write this value to the frequency register.
and write this value to the frequency register.
where:
FREQ
=
8-bit value to load into FREQ_GEN register
F
XTAL1
=
input frequency on XTAL1 pin, in MHz
FREQ_OUT
=
output frequency on FREQOUT pin, in MHz
FREQ
F
XTA L1
16
FREQ_OUT
×
---------------------------------------------
=
1
–