AT91_TWI_CWGR_HOLD_MAX
if (hold > AT91_TWI_CWGR_HOLD_MAX) {
AT91_TWI_CWGR_HOLD_MAX, hold);
hold = AT91_TWI_CWGR_HOLD_MAX;
#define AT91_TWI_CWGR_HOLD(x) (((x) & AT91_TWI_CWGR_HOLD_MAX) << 24)