h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 466
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h8s-2158
Manufacturer Part Number
h8s-2158
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2158.pdf
(927 pages)
- Current page: 466 of 927
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Section 16 Serial Communication Interface (SCI, IrDA, and CRC)
Rev. 3.00 Jan 25, 2006 page 414 of 872
REJ09B0286-0300
Bit
3
2
1
0
Bit Name
ACS4
ACS2
ACS1
ACS0
Initial Value
0
0
0
0
R/W
R/W
R/W
R/W
R/W
Description
Asynchronous Mode Clock Source Select
These bits specify the clock source and the average
transfer rate in asynchronous mode.
These bits are valid only when external clock is
supplied in asynchronous mode.
0000: Normal operation with external clock input and
0001: Average transfer rate operation at 115.152
0010: Average transfer rate operation at 460.606
0011: Reserved
0100: Reserved
0101: Average transfer rate operation at 115.196
0110: Average transfer rate operation at 460.784
0111: Average transfer rate operation at 720 kbps
average transfer rate operation not used
(operated using the basic clock with a
frequency 16 or 8 times the transfer clock
frequency)
kbps when the system clock frequency is
10.667 MHz (operated using the basic clock
with a frequency 16 times the transfer clock
frequency)
kbps when the system clock frequency is
10.667 MHz (operated using the basic clock
with a frequency 8 times the transfer clock
frequency)
kbps when the system clock frequency is 16
MHz (operated using the basic clock with a
frequency 16 times the transfer clock
frequency)
kbps when the system clock frequency is 16
MHz (operated using the basic clock with a
frequency 16 times the transfer clock
frequency)
when the system clock frequency is 16 MHz
(operated using the basic clock with a
frequency 8 times the transfer clock
frequency)
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