MC68HC708XL36 FREESCALE [Freescale Semiconductor, Inc], MC68HC708XL36 Datasheet - Page 302

• Manufacturer Part Number: MC68HC708XL36
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

I/O Ports
MC68HC708XL36
302
When bit DDRGx is a logic 1, reading address $000A reads the PGx
data latch. When bit DDRGx is a logic 0, reading address $000A 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 G pins.
1. Writing affects data register, but does not affect input.
Freescale Semiconductor, Inc.
Data Direction Bit
For More Information On This Product,
0
1
READ DDRG ($000E)
WRITE DDRG ($000E)
WRITE PORTG ($000A)
READ PORTG ($000A)
Go to: www.freescale.com
Table 8. Port G Pin Operation
I/O Ports
Figure 22. Port G I/O Circuit
RESET
Input, high-impedance
I/O Pin Mode
Output
DDRGx
PGx
Table 8
Read
Latch
Access to Data Bit
Pin
summarizes the
MOTOROLA
Latch]
Write
Latch
20-ports_a
(1)
PGx