Technical information

SCI to SPI Peripheral Communication in V850ES Microcontrollers

Figure 26. TM00 Interval Timer Box

2.7.4 Configuring Applilet for I/O Ports

1. Open the Digital I/O Port box to set the individual port pins for input or output, and to specify

settings for the pull-up resistors.

Figure 27. Digital I/O Port Box

2. On the Port 9-2 tab, set P914 and P915 as outputs. These pins are used as the chip selects for

the temperature sensor. (In the program, when these bits are accessed, the reference is to P9H.6

(P914) and P9H.7. The upper byte of the 16-bit port 9 can be referenced as P9H.)

3. On the PortDH tab, set ports PDH0 through PDH7 as outputs to control LED1.

4. On the PortDL-2 tab, set ports PDL8 through PDL15 as outputs to control LED2.

5. On the Port9-1 tab, set ports P94 and P95 as inputs, and also select pull-up resistors for use for

these pins. These ports are connected to switches SW2 and SW3, which ground the input when

pressed. The pull-up resistor option holds these inputs high when the switch is not pressed.