Rev.1.00    2007.11.1 
REC10B0002-0100 
6
2. Driver 2.1 Overview 
The library described herein provides a peripheral facility control program (peripheral 
driver) for microcomputers. Use of the Renesas API permits the peripheral driver to be 
built into a user program. 
2.2 Driver Features 
The library described herein has the following features available as a peripheral driver. 
(1) Serial I/O control feature 
It comprises a serial interface driver, which sets or clears the conditions of serial 
communication, as well as controls and manages the transmission/reception of 
communication data. 
(2) Timer control feature 
It comprises a timer driver, which sets or clears the operating conditions of timers, 
as well as controls the timer operation. 
(3) I/O port control feature 
It comprises an I/O port driver, which sets or clears the usage conditions of I/O ports, as 
well as control data read/write operation. 
(4) External interrupt control feature 
It comprises an external interrupt driver, which sets or clears the usage conditions of 
external interrupts, as well as controls interrupt operation. 
(5) A/D converter control feature 
It comprises an A/D converter driver, which sets or clears the usage conditions of A/D 
converters, as well as controls A/D converter operation.