Z8F6421PM020SC Datasheet, PDF (36/299 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers Z8 Encore-R 64K Series

Z8 Encore!^® 64K Series
Product Specification
16
Pin Characteristics
Table 4 provides detailed information on the characteristics for each pin available on the
64K Series products. Data in Table 4 is sorted alphabetically by the pin symbol mne-
monic.
Table 4. Pin Characteristics of the 64K Series
Symbol
Mnemonic
Reset
Direction Direction
Active Low
or
Active High
Internal
Tri-State Pull-up or
Output Pull-down
Schmitt
Trigger
Input
Open Drain
Output
AVSS
N/A
N/A
N/A
N/A
No
No
N/A
AVDD
N/A
N/A
N/A
N/A
No
No
N/A
DBG
I/O
I
N/A
Yes
No
Yes
Yes
VSS
N/A
N/A
N/A
N/A
No
No
N/A
PA[7:0]
I/O
I
N/A
Yes
No
Yes
Yes,
Programmable
PB[7:0]
I/O
I
N/A
Yes
No
Yes
Yes,
Programmable
PC[7:0]
I/O
I
N/A
Yes
No
Yes
Yes,
Programmable
PD[7:0]
I/O
I
N/A
Yes
No
Yes
Yes,
Programmable
PE7:0]
I/O
I
N/A
Yes
No
Yes
Yes,
Programmable
PF[7:0]
I/O
I
N/A
Yes
No
Yes
Yes,
Programmable
PG[7:0]
I/O
I
N/A
Yes
No
Yes
Yes,
Programmable
PH[3:0]
I/O
I
N/A
Yes
No
Yes
Yes,
Programmable
RESET
I
I
Low
N/A
Pull-up
Yes
N/A
VDD
N/A
N/A
N/A
N/A
No
No
N/A
XIN
I
I
N/A
N/A
No
No
N/A
XOUT
O
O
N/A
Yes, in
No
No
No
STOP
mode
x represents integer 0, 1,... to indicate multiple pins with symbol mnemonics that differ only by the integer
PS019915-1005
Signal and Pin Descriptions