D-A CONVERTER
[Precautions for D-A converter]
[Precautions for D-A converter]
1. Pin DAi is multiplexed with an analog input pin and I/O pins for serial I/O. When any of the D-Ai output
enable bits is set to “1” (output enabled), the corresponding pin is used as pin DAi, not as any other
multiplexed input/output pin (including a programmable I/O port pin).
2. When not using the D-A converter, be sure to do as follows:
• Clear the D-A (i = 0, 1) output enable bit (bits 0, 1 at address 9616) to “0.”
i
• Clear the contents of D-A register i (addresses 9816, 9916) to “0016.”
7905 Group User’s Manual Rev.1.0
13-6
RENESAS [ RENESAS TECHNOLOGY CORP ]
