P3 multiple function and input type control register
| P3_MFP | P3 multiple function Selection The pin function of P3 is depending on P3_MFP and P3_ALT. Refer to P3_ALT descriptions in detail. |
| P3_ALT0 | P3.0 alternate function Selection The pin function of P3.0 is depend on P3_MFP[0] and P3_ALT[0]. P3_ALT[0] P3_MFP[0] P3.0function 0 0 P3.0 0 1 RXD(UART0) 1 x Reserved |
| P3_ALT1 | P3.1 alternate function Selection The pin function of P3.1 is depend on P3_MFP[1] and P3_ALT[1]. P3_ALT[1] P3_MFP[1] P3.1function 0 0 P3.1 0 1 TXD(UART0) 1 x Reserved |
| P3_ALT2 | P3.2 alternate function Selection The pin function of P3.2 is depend on P3_MFP[2] and P3_ALT[2]. P3_ALT[2] P3_MFP[2] P3.2function 0 0 P3.2 0 1 /INT0 1 1 Reserved |
| P3_ALT3 | P3.3 alternate function Selection The pin function of P3.3 is depend on P3_MFP[3] and P3_ALT[3]. P3_ALT[3] P3_MFP[3] P3.3function 0 0 P3.3 0 1 /INT1 1 0 MCLK(EBI) 1 x Reserved |
| P3_ALT4 | P3.4 alternate function Selection The pin function of P3.4 is depend on P3_MFP[4] and P3_ALT[4]. P3_ALT[4] P3_MFP[4] P3.4function 0 0 P3.4 0 1 T0(Timer0) 1 0 SDA(I2C) 1 1 Reserved |
| P3_ALT5 | P3.5 alternate function Selection The pin function of P3.5 is depend on P3_MFP[5] and P3_ALT[5]. P3_ALT[5] P3_MFP[5] P3.5 function 0 0 P3.5 0 1 T1(Timer1) 1 0 SCL(I2C) 1 1 Reserved |
| P3_ALT6 | P3.6 alternate function Selection The pin function of P3.6 is depend on P3_MFP[6] and P3_ALT[6]. P3_ALT[6] P3_MFP[6] P3.6 function 0 0 P3.6 0 1 WR(EBI) 1 0 CKO(Clock Driver output) 1 1 Reserved |
| P3_ALT7 | P3.7 alternate function Selection The pin function of P3.7 is depend on P3_MFP[7] and P3_ALT[7]. P3_ALT[7] P3_MFP[7] P3.7 function 0 0 P3.7 0 1 RD(EBI) 1 x Reserved |
| P3_TYPEn | P3[7:0] input Schmitt Trigger function Enable 1= P3[7:0] I/O input Schmitt Trigger function enable 0= P3[7:0] I/O input Schmitt Trigger function disable |