eliminate R209 and tie Iota VLMEM directly to UPR We already eliminated R210 (VLMEM pull-down option) earlier, because our simplified LCD power supply and reset line wiring is incompatible with 1.8V MEMIF. But with VLMEM always needing to be high, a pull-up resistor offers no advantage over a direct tie to UPR, so let's eliminate the superfluous resistor.

#instance		slot
usb.buf.buf_RxD		0
usb.buf.buf_CTS		1
usb.buf.buf_DCD		2
usb.buf.buf_RI		3
usb.buf.buf_RxD2	4
usb.buf.buf_TxD		5
usb.buf.buf_DTR		6
usb.buf.buf_TxD2	7
usb.buf.common