MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 249

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Infrared Serial Communications
13.11 I/O Registers
Technical Data
250
Notes:
1. After completion of transmission in progress.
[ENSCI]
SCC1
1
1
1
1
1
1
1
1
0
SCIRCR
[IREN]
X
0
0
0
0
1
1
1
1
Table 13-5. SCI Pin Functions (Standard and Infrared)
SCC2
[TE]
Infrared Serial Communications Interface Module (IRSCI)
Table 13-5
enabled.
The following I/O registers control and monitor SCI operation:
X
0
0
1
1
0
0
1
1
•
•
•
•
•
•
•
•
SCI control register 1 (SCC1)
SCI control register 2 (SCC2)
SCI control register 3 (SCC3)
SCI status register 1 (SCS1)
SCI status register 2 (SCS2)
SCI data register (SCDR)
SCI baud rate register (SCBR)
SCI infrared control register (SCIRCR)
SCC2
[RE]
X
0
1
0
1
0
1
0
1
shows a summary of I/O pin functions when the SCI is
Hi-Z
Hi-Z
Output SCI (idle high)
Output SCI (idle high)
Hi-Z
Hi-Z
Output IR SCI (idle high)
Output IR SCI (idle high)
Pins under port control (standard I/O port)
(1)
(1)
(1)
(1)
TxD Pin
Input ignored (terminate externally)
Input sampled, pin should idle high
Input ignored (terminate externally)
Input sampled, pin should idle high
Input ignored (terminate externally)
Input sampled, pin should idle high
Input ignored (terminate externally)
Input sampled, pin should idle high
MC68HC908LJ12
Freescale Semiconductor
RxD Pin
—
Rev. 2.1