AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 77

• Manufacturer Part Number: AT89C5122
• Description: MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
• Manufacturer: ATMEL [ATMEL Corporation]

SCIB Reset
4202D–SCR–06/05
Register Name
SCICR
SCCON
SCISR
SCIIR
SCIER
SCSR
SCIBUF
SCETU1, SCETU0
SCGT1, SCGT0
SCWT3, SCWT2, SCWT1, SCWT0
SCICLK
Figure 44. Character Reception Diagram
The SCICR register contains a reset bit. If set, this bit generates a reset of the SCIB and
its registers. Table 43 defines the SCIB registers that are reset and their reset values.
Table 43. Reset Values for SCI Registers
I/O pin
0000 0000
0X00 0000
1000 0000
0X00 0000
0X00 0000
X000 1000
0000 0000
XXXX X001, 0111 0100 (372)
0000 0000, 0000 1100 (12)
0000 0000, 0000 0000, 0010 0101, 1000 0000 (9600)
0X10 1111
SCIB Reset Value (Binary)
SCISR register
SCTBE
SCIIR register
SCTBI
Shift Register
ESCTBI
ESCTI
ESCRI
SCIBUF
SCTC
SCTI
SCRC
SCRI
Parity error
Parity error
SCPE
Character
Received
SCPI
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