EINT6_CTL=disable, EINT2_CTL=disable, EINT3_CTL=disable, EINT0_CTL=disable, EINT5_CTL=disable, EINT4_CTL=disable, EINT1_CTL=disable, EINT7_CTL=disable
PC External Interrupt Control Register
| EINT6_CTL | External INT Enable 0 (disable): undefined 1 (enable): undefined |
| EINT2_CTL | External INT Enable 0 (disable): undefined 1 (enable): undefined |
| EINT3_CTL | External INT Enable 0 (disable): undefined 1 (enable): undefined |
| EINT0_CTL | External INT Enable 0 (disable): undefined 1 (enable): undefined |
| EINT5_CTL | External INT Enable 0 (disable): undefined 1 (enable): undefined |
| EINT4_CTL | External INT Enable 0 (disable): undefined 1 (enable): undefined |
| EINT1_CTL | External INT Enable 0 (disable): undefined 1 (enable): undefined |
| EINT7_CTL | External INT Enable 0 (disable): undefined 1 (enable): undefined |