MCF5307CFT66B Freescale Semiconductor, MCF5307CFT66B Datasheet - Page 347

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MCF5307CFT66B

Manufacturer Part Number
MCF5307CFT66B
Description
IC MPU 32BIT 66MHZ COLDF 208FQFP
Manufacturer
Freescale Semiconductor
Series
MCF530xr
Datasheets

Specifications of MCF5307CFT66B

Core Processor
Coldfire V3
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, UART/USART
Peripherals
DMA, POR, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-FQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-

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Table 15-3 shows relationships between PADAT bits and parallel port pins when PADAT is
accessed. The effect differs when the parallel port pin is an input or output.
The following results occur when a parallel port pin is configured as an input:
The following results occur when a parallel port pin is configured as an output:
These relationships are also described in Table 15-3.
15.1.4 Code Example
The following code example shows how to set up the parallel port. Here, PP[7:0] are
general-purpose I/O, PP[3:0] are inputs, and PP[7:4] are outputs.
PP Status PADAT R/W
Output
Input
• PADAT can be written to anytime. A read from PADAT returns values of
• When the PADAT is read, the value returned is the logic value on the pin.
• When the PADAT is written, the register contents are updated without affecting the
• When the PADAT is read, the register contents are returned and the pin is the logic
• When the PADAT is written, the register contents are updated and the pin is the logic
Table 15-3. Relationship between PADAT Register and Parallel Port Pin (PP)
Address
corresponding pins configured as general-purpose I/O in the PAR and designated as
inputs by the PADDR.
logic value on the pin.
value of the register.
value of the register.
Reset
Field
R/W
Read
Read
Write
Write
Although external devices cannot access the MCF5307’s
on-chip memories or MBAR, they can access any parallel port
module registers in the SIM.
15
Register bit value is the pin’s logic value
Register contents updated
Register contents are returned
Register contents updated
Figure 15-3. Port A Data Register (PADAT)
Chapter 15. Parallel Port (General-Purpose I/O)
Freescale Semiconductor, Inc.
For More Information On This Product,
Effect on PADAT
Go to: www.freescale.com
0000_0000_0000_0000
Address MBAR+0x248
NOTE:
PADAT
R/W
No effect. Source of logic value
No effect on the logic value at the pin
Pin is the logic value of the register bit
Pin is the logic value of the register bit
Effect on PP
Parallel Port Operation
0
15-3

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