sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 82

• Manufacturer Part Number: sc9s12hy64j0vllr
• Description: S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
• Manufacturer: Freescale Semiconductor, Inc

1
1
1
Port Integration Module (S12HYPIMV1)
2.3.18
2.3.19
82
Address 0x0244
Address 0x0245
Read: Anytime
Write: Anytime
Read: Anytime
Write: Anytime
Read: Anytime
Write: Anytime
RDRT
PERT
Field
Field
Reset
Reset
7-0
7-0
W
W
R
R
Port T reduced drive—Select reduced drive for output pin
This bit configures the drive strength of the associated output pin as either full or reduced. If a pin is used as input
this bit has no effect. The reduced drive function is independent of which function is being used on a particular pin.
1 Reduced drive selected (1/6 of the full drive strength)
0 Full drive strength enabled
Port T pull device enable—Enable pull device on input pin
This bit controls whether a pull device on the associated port input pin is active. If a pin is used as output this bit has
no effect. The polarity is selected by the related polarity select register bit.
1 Pull device enabled
0 Pull device disabled
PERT7
PPST7
Port T Pull Device Enable Register (PERT)
Port T Polarity Select Register (PPST)
1
1
7
7
PERT6
PPST6
Figure 2-16. Port T Pull Device Enable Register (PERT)
1
1
6
6
Figure 2-17. Port T Polarity Select Register (PPST)
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Table 2-15. RDRT Register Field Descriptions
Table 2-16. PERT Register Field Descriptions
PERT5
PPST5
1
1
5
5
PERT4
PPST4
1
1
4
4
Description
Description
PERT3
PPST3
3
1
3
1
PERT2
PPST2
1
1
2
2
Freescale Semiconductor
PERT1
PPST1
Access: User read/write
Access: User read/write
1
1
1
1
PERT0
PPST0
1
1
0
0
1
1