upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 72

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

4.2.4 Port 6
using port mode register 6 (PM6).
72
Port 6 is a 2-bit I/O port with an output latch. Port 6 can be set to the input mode or output mode in 1-bit units
The output of the P60 and P61 pins is N-ch open-drain output (6 V withstanding voltage).
Reset signal generation sets port 6 to input mode.
Figure 4-12 shows a block diagram of port 6.
P6:
PM6:
RD:
WR××: Write signal
WR
WR
Port register 6
Port mode register 6
Read signal
RD
PORT
PM
PM60, PM61
Output latch
Figure 4-12. Block Diagram of P60 and P61
(P60, P61)
PM6
P6
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 4 PORT FUNCTIONS
P60,
P61