MC68HC08AZ16 Datasheet, PDF (194/527 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Serial Communications Interface Module (SCI)
I/O registers
Table 7. Character format selection
Control Bits
M PEN:PTY
0
0X
1
0X
0
10
0
11
1
10
1
11
Start bits
1
1
1
1
1
1
Data bits
8
9
7
7
8
8
Character Format
Parity STOP bits
None
1
None
1
Even
1
Odd
1
Even
1
Odd
1
Character length
10 bits
11 bits
10 bits
10 bits
11 bits
11 bits
SCI Control
Register 2 (SCC2)
SCI control register 2 does the following:
• Enables the following CPU interrupt requests and DMA service
requests:
– Enables the SCTE bit to generate transmitter CPU interrupt
requests or transmitter DMA service requests
– Enables the TC bit to generate transmitter CPU interrupt
requests
– Enables the SCRF bit to generate receiver CPU interrupt
requests or receiver DMA service requests
– Enables the IDLE bit to generate receiver CPU interrupt
requests
• Enables the transmitter
• Enables the receiver
• Enables SCI wake-up
• Transmits SCI break characters
25-sci
MOTOROLA
Serial Communications Interface Module (SCI)
MC68HC08AZ32
193