MC9S12G FREESCALE [Freescale Semiconductor, Inc], MC9S12G Datasheet - Page 181

• Manufacturer Part Number: MC9S12G
• Description: Ignores external trigger. Performs one conversion sequence and stops.
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

1
1
2.4.3.25
2.4.3.26
Freescale Semiconductor
Address 0x024E
Address 0x024F
Read: Anytime
Write: Anytime
WOMS
Read: Anytime
Write: Anytime
PPSS
Field
Field
Reset
Reset
7-0
7-0
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.
W
W
R
R
Port S pull device select—Configure pull device polarity on input pin
This bit selects a pullup or a pulldown device if enabled on the associated port input pin.
1 Pulldown device selected
0 Pullup device selected
Port S wired-or mode—Enable open-drain functionality on output pin
This bit configures an output pin as wired-or (open-drain) or push-pull. In wired-or mode a logic “0” is driven
active-low while a logic “1” remains undriven. This allows a multipoint connection of several serial modules. The bit
has no influence on pins used as input.
1 Output buffer operates as open-drain output.
0 Output buffer operates as push-pull output.
PRR0P3
WOMS7
Port S Wired-Or Mode Register (WOMS)
0
Pin Routing Register 0 (PRR0)
0
7
7
Routing takes only effect if PKGCR is set to select the 20 TSSOP package.
PRR0P2
WOMS6
0
0
6
6
Figure 2-26. Port S Wired-Or Mode Register (WOMS)
Table 2-45. WOMS Register Field Descriptions
Table 2-44. PPSS Register Field Descriptions
Figure 2-27. Pin Routing Register (PRR0)
MC9S12G Family Reference Manual, Rev.1.01
PRR0T31
WOMS5
0
0
5
5
PRR0T30
WOMS4
NOTE
0
0
4
4
Description
Description
PRR0T21
WOMS3
0
0
3
3
PRR0T20
WOMS2
2
0
2
0
Port Integration Module (S12GPIMV0)
WOMS1
PRR0S1
Access: User read/write
Access: User read/write
0
0
1
1
PRR0S0
WOMS0
0
0
0
0
181
1
1