Port 13 - NEC 78K0 User Manual

4.2.8 Port 13

Port 13 is a 1-bit output-only port.
Figure 4-15 shows a block diagram of port 13.
RD
WR
PORT
RD: Read signal
WR××: Write signal
Remark When reset is effected, P130 outputs a low level. If P130 is set to output a high level immediately after
reset is released, the output signal of P130 can be dummy-output as the reset signal to the CPU.
CHAPTER 4 PORT FUNCTIONS
Figure 4-15. Block Diagram of P130
Output latch
(P130)
User's Manual U16227EJ2V0UD
P130
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