MC68HC908AP16CFA MOTOROLA [Motorola, Inc], MC68HC908AP16CFA Datasheet - Page 271

• Manufacturer Part Number: MC68HC908AP16CFA
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

14.10 I/O Registers
MC68HC908AP Family — Rev. 2.5
MOTOROLA
Notes:
1. After completion of transmission in progress.
[ENSCI]
IRSCC1
1
1
1
1
1
1
1
1
0
IRSCIRCR
[IREN]
X
0
0
0
0
1
1
1
1
Table 14-5. SCI Pin Functions (Standard and Infrared)
IRSCC2
Table 14-5
enabled.
The following I/O registers control and monitor SCI operation:
[TE]
X
0
0
1
1
0
0
1
1
•
•
•
•
•
•
•
•
Freescale Semiconductor, Inc.
For More Information On This Product,
IRSCI infrared control register (IRSCIRCR)
IRSCI control register 1 (IRSCC1)
IRSCI control register 2 (IRSCC2)
IRSCI control register 3 (IRSCC3)
IRSCI status register 1 (IRSCS1)
IRSCI status register 2 (IRSCS2)
IRSCI data register (IRSCDR)
IRSCI baud rate register (IRSCBR)
IRSCC2
[RE]
shows a summary of I/O pin functions when the SCI is
0
1
0
1
0
1
0
1
X
Go to: www.freescale.com
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)
Infrared Serial Communications Interface Module (IRSCI)
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
RxD Pin
I/O Registers
Data Sheet
271