microcontroller

EFM8BB21F16I-C-QFN20R

Symbol

Footprint

3D Model

Pin Map

Pin	Name	Type	Mount	Shape	Width × Height (mm)
1	P0.1	input	SMD	roundrect	0.34×0.5
2	P0.0	output	SMD	roundrect	0.25×0.7
3	GND	ground	SMD	roundrect	0.25×0.7
4	VDD	power	SMD	roundrect	0.25×0.7
5	RSTB/C2CK	passive	SMD	roundrect	0.25×0.7
6	P2.0/C2D	passive	SMD	roundrect	0.34×0.5
7	P1.6	passive	SMD	roundrect	0.7×0.25
8	P1.5	passive	SMD	roundrect	0.7×0.25
9	P1.4	passive	SMD	roundrect	0.7×0.25
10	P1.3	passive	SMD	roundrect	0.7×0.25
11	P1.2	passive	SMD	roundrect	0.34×0.5
12	GND	ground	SMD	roundrect	0.25×0.7
13	P1.1	passive	SMD	roundrect	0.25×0.7
14	P1.0	passive	SMD	roundrect	0.25×0.7
15	P0.7	passive	SMD	roundrect	0.25×0.7
16	P0.6	passive	SMD	roundrect	0.34×0.5
17	P0.5	passive	SMD	roundrect	0.7×0.25
18	P0.4	passive	SMD	roundrect	0.7×0.25
19	P0.3	passive	SMD	roundrect	0.7×0.25
20	P0.2	passive	SMD	roundrect	0.7×0.25
21	GND	ground	SMD	roundrect	1.7×1.7