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Z8F082ASH020SC Datasheet(PDF) 119 Page - Zilog, Inc.

Part # Z8F082ASH020SC
Description  Z8 Encore XP-R F08xA Series with eXtended Peripherals
PDF  244 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z8F082ASH020SC Datasheet(HTML) 119 Page - Zilog, Inc.

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PS024705-0405
P R E L I M I N A R Y
UART
Z8 Encore! XP® F08xA Seriess
Product Specification
101
COMP_ADDR—Compare Address
This 8-bit value is compared to incoming address bytes.
UART Baud Rate High and Low Byte Registers
The UART Baud Rate High and Low Byte registers (Tables 67 and 68) combine to create
a 16-bit baud rate divisor value (BRG[15:0]) that sets the data transmission rate (baud
rate) of the UART.
The UART data rate is calculated using the following equation:
For a given UART data rate, calculate the integer baud rate divisor value using the follow-
ing equation:
Table 66. UART Address Compare Register (U0ADDR)
BITS
7
6
5
4
3
2
1
0
FIELD
COMP_ADDR
RESET
0
000
00
00
R/W
R/WR/W
R/WR/W
R/WR/W
R/WR/W
ADDR
F45H
Table 67. UART Baud Rate High Byte Register (U0BRH)
BITS
7
6
5
4
3
2
1
0
FIELD
BRH
RESET
1
111
11
11
R/W
R/WR/W
R/WR/W
R/WR/W
R/WR/W
ADDR
F46H
Table 68. UART Baud Rate Low Byte Register (U0BRL)
BITS
7
6
5
4
3
2
1
0
FIELD
BRL
RESET
1
111
11
11
R/W
R/WR/W
R/WR/W
R/WR/W
R/WR/W
ADDR
F47H
UART Baud Rate (bits/s)
System Clock Frequency (Hz)
16
UART Baud Rate Divisor Value
×
----------------------------------------------------------------------------------------------
=



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