MC68HC711KS2MFN4 Freescale Semiconductor, MC68HC711KS2MFN4 Datasheet - Page 158
MC68HC711KS2MFN4
Manufacturer Part Number
MC68HC711KS2MFN4
Description
32K EPROM - SLOW MODE
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC711KS2MFN4.pdf
(290 pages)
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Serial Communications Interface (SCI)
7.9 SCI Registers
7.9.1 SCI Baud Rate Control Register
Technical Data
158
NOTE:
Address: $0070
Address: $0071
The six addressable registers in the SCI are:
Throughout this manual, the registers are discussed by function. In the
event that not all bits in a register are referenced, the bits that are not
discussed are shaded.
This register selects the 13-bit divisor shown in
the SCI baud rate. (See
during initialization, but it can be changed at any time.
Reset:
Reset:
Read:
Read:
Write:
Write:
•
•
•
•
•
•
Figure 7-5. SCI Baud Rate Control Register High (SCBDH)
Figure 7-6. SCI Baud Rate Control Register Low (SCBDL)
SCI baud rate control register (SCBDH and SCBDL)
Serial communications control register 1 (SCCR1)
Serial communications control register 2 (SCCR2)
Serial communication status register 1 (SCSR1)
Serial communication status register 2 (SCSR2)
Serial communications data register (SCDRH and SCDRL)
U = Undefined
U = Undefined
Serial Communications Interface (SCI)
BTST
SBR7
Bit 7
Bit 7
0
0
SBR6
BSPL
6
0
6
0
Table
SBR5
5
0
0
5
0
7-2.) Normally, this register is written once
SBR12
SBR4
4
0
4
0
SBR11
SBR3
3
0
3
0
Figure 7-4
SBR10
SBR2
U
U
2
2
M68HC11K Family
SBR9
SBR1
U
U
1
1
to generate
MOTOROLA
SBR8
SBR0
Bit 0
Bit 0
U
U
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