TMP92CF30
2009-06-12
92CF30-288
3.14.2 Operation of Each Circuit
(1) Prescaler
There is a 6-bit prescaler for generating a clock to SIO0. The prescaler can be run by
selecting the baud rate generator as the serial transfer clock.
Table 3.14.2 shows prescaler clock resolution into the baud rate generator.
Table 3.14.2 Prescaler Clock Resolution to Baud Rate Generator
Baud Rate Generator input clock
SIO Prescaler
BR0CR<BR0CK1:0>
−
Clock gear
SYSCR1
<GEAR2:0>
−
φ
T0(1/1)
φ
T2(1/4)
φ
T8(1/16)
φ
T32(1/64)
000(1/1) fc/4
fc/16
fc/64
fc/256
001(1/2) fc/8
fc/32 fc/128 fc/512
010(1/4) fc/16
fc/64 fc/256
fc/1024
011(1/8) fc/32
fc/128 fc/512 fc/2048
fc
100(1/16)
1/4
fc/64 fc/256
fc/1024
fc/4096
The baud rate generator selects between 4-clock inputs:
φ
T0,
φ
T2,
φ
T8, and
φ
T32
among the prescaler outputs.
Summary of Contents for TLCS-900/H1 Series
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