CM68HC05C4ACFB Motorola / Freescale Semiconductor, CM68HC05C4ACFB Datasheet - Page 52

• Manufacturer Part Number: CM68HC05C4ACFB
• Description: Microcontroller
• Manufacturer: Motorola / Freescale Semiconductor

Input/Output (I/O) Ports
General Release Specification
52
[1] This output buffer enables the latched output to drive the pin when DDR bit is 1 (output mode).
[2] This input buffer is enabled when DDR bit is 0 (input mode).
[3] This input buffer is enabled when DDR bit is 1 (output mode).
READ DDRx
WRITE DDRx
WRITE PORTx
READ PORTx
Input/Output (I/O) Ports
RESET
Figure 7-2. I/O Circuitry
(LATCHED OUTPUT)
DATA DIRECTION
REGISTER x BIT
REGISTER BIT
PORT x DATA
[3]
MC68HC05C4A
[2]
[1]
MOTOROLA
—
Rev. 4.0
PIN
I/O