RZN1_L1_PIN_PULL
pull = (l1 >> RZN1_L1_PIN_PULL) & 0x3;
l1 &= ~(0x3 << RZN1_L1_PIN_PULL);
l1 |= (RZN1_L1_PIN_PULL_UP << RZN1_L1_PIN_PULL);
l1 &= ~(0x3 << RZN1_L1_PIN_PULL);
l1 |= (RZN1_L1_PIN_PULL_DOWN << RZN1_L1_PIN_PULL);
l1 &= ~(0x3 << RZN1_L1_PIN_PULL);
l1 |= (RZN1_L1_PIN_PULL_NONE << RZN1_L1_PIN_PULL);