DEMO9S08EL32AUTO Freescale Semiconductor, DEMO9S08EL32AUTO Datasheet - Page 89
![DEMO BOARD EL32 AUTO](/photos/37/58/375858/demo9s08sg32bd_sml.jpg)
DEMO9S08EL32AUTO
Manufacturer Part Number
DEMO9S08EL32AUTO
Description
DEMO BOARD EL32 AUTO
Manufacturer
Freescale Semiconductor
Type
MCUr
Datasheets
1.DEMO9S08EL32.pdf
(356 pages)
2.DEMO9S08EL32.pdf
(14 pages)
3.DEMO9S08EL32.pdf
(2 pages)
Specifications of DEMO9S08EL32AUTO
Contents
Board, Cable, CD and Documentation
Processor To Be Evaluated
MC9S08EL32
Data Bus Width
8 bit
Interface Type
RS-232, USB
Operating Supply Voltage
12 V
For Use With/related Products
MC9S08EL32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6.5.2.5
6.5.2.6
Freescale Semiconductor
PTBDS[7:0]
PTBMOD
Reset:
Reset:
PTBACK
PTBIE
PTBIF
Field
Field
7:0
3
2
1
0
W
W
R
R
PTBDS7
Output Drive Strength Selection for Port B Bits — Each of these control bits selects between low and high
output drive for the associated PTB pin. For port B pins that are configured as inputs, these bits have no effect.
0 Low output drive strength selected for port B bit n.
1 High output drive strength selected for port B bit n.
Port B Interrupt Flag — PTBIF indicates when a Port B interrupt is detected. Writes have no effect on PTBIF.
0 No Port B interrupt detected.
1 Port B interrupt detected.
Port B Interrupt Acknowledge — Writing a 1 to PTBACK is part of the flag clearing mechanism. PTBACK
always reads as 0.
Port B Interrupt Enable — PTBIE determines whether a port B interrupt is requested.
0 Port B interrupt request not enabled.
1 Port B interrupt request enabled.
Port B Detection Mode — PTBMOD (along with the PTBES bits) controls the detection mode of the port B
interrupt pins.
0 Port B pins detect edges only.
1 Port B pins detect both edges and levels.
Port B Drive Strength Selection Register (PTBDS)
0
Port B Interrupt Status and Control Register (PTBSC)
0
0
7
7
Figure 6-16. Port B Interrupt Status and Control Register (PTBSC)
Figure 6-15. Drive Strength Selection for Port B Register (PTBDS)
PTBDS6
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
0
0
0
6
6
Table 6-13. PTBDS Register Field Descriptions
Table 6-14. PTBSC Register Field Descriptions
PTBDS5
0
0
0
5
5
PTBDS4
0
0
0
4
4
Description
Description
PTBDS3
PTBIF
3
0
3
0
PTBDS2
PTBACK
Chapter 6 Parallel Input/Output Control
0
0
0
2
2
PTBDS1
PTBIE
0
0
1
1
PTBMOD
PTBDS0
0
0
0
0
89
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