C8051F321-GMR Datasheet, PDF (127/250 Pages) Silicon Laboratories – Full Speed USB, 16 k ISP FLASH MCU Family

C8051F320/1
/WEAK-PULLUP
PUSH-PULL
/PORT-OUTENABLE
PORT-OUTPUT
VDD
VDD
(WEAK)
ANALOG INPUT
PORT-INPUT
Analog Select
GND
Figure 14.2. Port I/O Cell Block Diagram
PORT
PAD
Rev. 1.4
127