Z8F1680SH020SG Datasheet, PDF (42/412 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F1680 Series
Product Specification
17
2.4. Pin Characteristics
Table 5 provides detailed information about the characteristics of each pin available on the
F1680 Series MCU 20-, 28-, 40- and 44-pin devices. Data provided in Table 5 is sorted
alphabetically by the pin symbol mnemonic.
Table 5. Pin Characteristics (20-, 28-, 40- and 44-pin Devices)
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
AV_DD
AV_SS
DBG
N/A
N/A
N/A
N/A N/A
N/A
N/A
N/A
N/A N/A
I/O
I
N/A
Yes Yes
N/A N/A
N/A
N/A N/A
NA
Yes Yes
No
PA[7:0]
I/O
I
N/A
Yes Programmable Yes Yes,
Yes, 5 V
pull-up
programmab tolerant
le
inputs
unless pull-
ups are
enabled
PB[5:0]
I/O
I
N/A
Yes Programmable Yes Yes,
Yes, 5 V
pull-up
programmab tolerant
le
inputs
unless pull-
ups are
enabled
PC[7:0]
I/O
I
N/A
Yes Programmable Yes Yes,
Yes, 5 V
pull-up
programmab tolerant
le
inputs
unless pull-
ups are
enabled
PD[7:1]
I/O
I
N/A
Yes Programmable Yes Yes,
Yes, 5 V
pull-up
programmab tolerant
le
inputs
unless pull-
ups are
enabled
PS025015-1212
PRELIMINARY
Pin Description