LFDAS12XSIT Freescale Semiconductor, LFDAS12XSIT Datasheet - Page 81
LFDAS12XSIT
Manufacturer Part Number
LFDAS12XSIT
Description
HARDWARE MC9S12XS 112-PIN
Manufacturer
Freescale Semiconductor
Datasheet
1.LFDAS12XSCT.pdf
(738 pages)
Specifications of LFDAS12XSIT
Module/board Type
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
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1
single-chip
single-chip
2.3.12
Freescale Semiconductor
Special
Normal
Read: Anytime.
Write: Anytime.
Reset:
Address 0x001C (PRR)
RDPB
RDPA
Field
1
0
W
R
Port B reduced drive—Select reduced drive for output port
This bit configures the drive strength of all associated port output pins 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 (approx. 1/5 of the full drive strength)
0 Full drive strength enabled
Port A reduced drive—Select reduced drive for output port
This bit configures the drive strength of all associated port output pins 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 (approx. 1/5 of the full drive strength)
0 Full drive strength enabled
NECLK
Depen-
ECLK Control Register (ECLKCTL)
Mode
dent
0
1
7
= Unimplemented or Reserved
NCLKX2
Table 2-11. RDRIV Register Field Descriptions (continued)
1
1
1
6
Figure 2-10. ECLK Control Register (ECLKCTL)
S12XS Family Reference Manual, Rev. 1.11
DIV16
0
0
0
5
EDIV4
0
0
0
4
Description
EDIV3
3
0
0
0
EDIV2
Port Integration Module (S12XSPIMV1)
0
0
0
2
Access: User read/write
EDIV1
0
0
0
1
EDIV0
0
0
0
0
81
1
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