MCCIRM Freescale Semiconductor / Motorola, MCCIRM Datasheet - Page 37

• Manufacturer Part Number: MCCIRM
• Description: MCCIRM Multi-Channel Communications Interface Reference Manual
• Manufacturer: Freescale Semiconductor / Motorola

3.7.3 MCCI Data Direction Register
Register address: $XXXX0B
Multichannel Communication Interface — Rev. 1.0
MOTOROLA
Reset:
Read:
Write:
Bit 15
14
13
Figure 3-7. MCCI Data Direction Register (MDDR)
The MCCI data direction register (MDDR) configures each pin as an
input or output. The MDDR affects both serial interface function and
general-purpose I/O function. During reset, all MCCI pins are configured
as inputs.
12
Reserved
These bits assign the corresponding pin to be input or output.
Freescale Semiconductor, Inc.
For More Information On This Product,
0 = Input
1 = Output
11
10
Go to: www.freescale.com
Configuration and Control
9
8
TXDA RXDA TXDB RXDB
7
0
6
0
5
0
Pin Control and General-Purpose I/O
4
0
Configuration and Control
SS
3
0
SCK MOSI MISO
Reference Manual
2
0
1
0
Bit 0
0
37