Z8F1680SH020SG Datasheet, PDF (43/412 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F1680 Series
Product Specification
18
Table 5. Pin Characteristics (20-, 28-, 40- and 44-pin Devices) (Continued)
Active
Low or
Symbol
Reset Active
Mnemonic Direction Direction High
Internal 
Tristate Pull-up or
Output Pull-down
Schmitt
Trigger Open Drain 5 V
Input Output
Tolerance
PE[6:0]
I/O
I
N/A
Yes Programmable Yes Yes,
Yes, 5 V
pull-up
programmab tolerant
le
inputs
unless pull-
ups are
enabled
RESET/
PD0
I/O
I/O Low (in Yes (PD0 Programmable Yes
(defaults RESET only) for PD0; always
to
mode)
On for RESET
RESET)
Programmab Yes, 5V
le for PD0; tolerant
always On inputs
for RESET unless pull-
ups are
enabled
V_DD
N/A
N/A
N/A
N/A
V_SS
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
PS025015-1212
PRELIMINARY
Pin Description