mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 295

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

17-ioports
MOTOROLA
When bit DDREx is a logic 1, reading address $0008 reads the PTEx
data latch. When bit DDREx is a logic 0, reading address $0008 reads
the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
operation of the port E pins.
X = don’t care
Hi-Z = high impedance
1. Writing affects data register, but does not affect input.
Freescale Semiconductor, Inc.
DDRE
Bit
For More Information On This Product,
0
1
READ DDRE ($000C)
WRITE DDRE ($000C)
WRITE PTE ($0008)
READ PTE ($0008)
Go to: www.freescale.com
PTE
Bit
X
X
Table 5. Port E Pin Functions
I/O Ports
RESET
Figure 16. Port E I/O Circuit
Input, Hi-Z
I/O Pin
Output
Mode
DDREx
PTEx
Read/Write
DDRE[7:0]
DDRE[7:0]
Accesses
to DDRE
Table 5
MC68HC08AZ60 — Rev 1.0
PTE[7:0]
Read
Accesses to PTE
Pin
summarizes the
PTE[7:0]
PTE[7:0]
Write
I/O Ports
Port E
PTEx
(1)
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