UPD78F1502AGK-GAK-AX Datasheet, PDF (188/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 4 PORT FUNCTIONS
4.2.14 Port 13
<R>
P130
78K0R/LF3
(80 pins: μ PD78F15x0A,
78F1501A, 78F15x2A)
78K0R/LG3
(100 pins: μ PD78F15x3A,
78F1504A, 78F15x5A)
√
78K0R/LH3
(128 pins: μ PD78F15x6A,
78F1507A, 78F15x8A)
P130 is a port dedicated to 1-bit output and is provided with an output latch.
Figure 4-32 shows a block diagram of port 13.
Figure 4-32. Block Diagram of P130
RD
WRPORT
P13
Output latch
(P130)
P130
P13: Port register 13
RD: Read signal
WR××: Write signal
Remark The P130 pin outputs a low level when it is used as a port function pin and a reset is effected. If P130 is set
to output a high level before reset is effected, the output signal of P130 can be dummy-output as the CPU
reset signal.
Reset signal
P130
Set by software
R01UH0004EJ0501 Rev.5.01
172
Jun 20, 2011