R0K521256S001BE Renesas Electronics America, R0K521256S001BE Datasheet - Page 11

• Manufacturer Part Number: R0K521256S001BE
• Description: KIT STARTER FOR R8C/25
• Manufacturer: Renesas Electronics America
• Series: Renesas Starter Kits (RSK)r
• Type: MCUr

Specifications of R0K521256S001BE

• Contents: CPU Board, LCD Display Module, E8 Emulator, Cable, QuickStart Guide and CD-ROM
• Silicon Manufacturer: Renesas
• Features: Coding And Debugging, E8A Emulator, RS232 Serial Connection
• Kit Contents: Board
• Silicon Family Name: R8C/24, R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: R8C/25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

6.1. Switches
There are four switches located on the RSK. The function of each switch and its connection are shown in Table 6-1.
*Refer to schematic for detailed connectivity information.
6.2. LEDs
There are six LEDs on the RSK board. The green ‘POWER’ LED lights when the board is powered. The orange BOOT LED indicates the
device is in BOOT mode when lit. The four user LEDs are connected to an IO port and will light when their corresponding port pin is set low.
Table 6-2, below, shows the LED pin references and their corresponding microcontroller port pin connections.
6.3. Potentiometer
A single turn potentiometer is connected to AN8 (P1.0) of the microcontroller. This may be used to vary the input analogue voltage value to
this pin between VREF and Ground.
RES
SW1/BOOT*
SW2*
SW3*
LED0
LED1
LED2
LED3
shown on silkscreen)
Switch
LED Reference (As
When pressed, the RSK microcontroller is reset.
Connects to an IRQ input for user controls.
The switch is also used in conjunction with the RES switch to place
the device in BOOT mode when not using the E8a debugger.
Connects to an IRQ Interrupt input line for user controls.
Connects to a Key In Interrupt input line for user controls
Chapter 6. User Circuitry
Green
Orange
Red
Red
Colour
Table 6-1: Switch Functions
Function
Table 6-2: LED Port
Port 2.4
Port 2.5
Port 2.6
Port 2.7
7
Microcontroller Port Pin function
RESET Pin8
INT0 Pin27
(Port 4, pin 5)
INT1 Pin21
(Port 1, pin 7)
KI3 Pin25
(Port 1, pin 3)
Microcontroller
16
15
14
13
Microcontroller Pin
Number