Z8FS021 Datasheet, PDF (13/68 Pages) Zilog, Inc. – Select from an assortment of lenses and pyroelectric sensors to best fit your application

ZMOTION^® Intrusion Detection
Product Specification
5
Pin Configuration
The Z8FS021 MCU is available in a variety of package styles and pin configurations. This
chapter describes the signals and available pin configurations for each of the package
styles. For information about the physical package specifications, see the Packaging sec-
tion on page 46.
Figures 2 through 4 display the pin configurations of all the packages available for the
ZMOTION MCU Series. For a description of the signals, see Tables 6 through 8 on pages
24 through 26.
At reset, all port pins are set to GPIO input state except /RESET/DE0/T1OUT (8-pin)
which is configured to /RESET, PA0/T0IN/T0OUT/XIN/DBG (8-pin), which is config-
ured to DBG and RESET/PD0 (20- and 28-pin) which are configured to /RESET.
VDD
1
PA0/T0IN /T 0OUT/XIN/DBG
2
PA1/T0 OU T/XOUT/AN A3 /VREF/CLKIN
3
PA2/R ESET/D E0/T 1OU T
4
8
VSS
7
PA5/TXD0 /T 1OUT/AN A0 /CIN P
6
PA4 /RXD 0/ANA1/C INN
5
ANA2
Figure 2. 8-Pin SOIC Package Diagram – Z8FS021xSB20EG
PS028806-0315
Pin Configuration