Z8F1601 Datasheet, PDF (33/246 Pages) Zilog, Inc. – Z8 Encore Microcontrollers with Flash Memory and 10-Bit A/D Converter

Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Z8 Encore!^®
15
Table 2. Signal Descriptions (Continued)
Signal Mnemonic
Reset
RESET
Power Supply
VDD
AVDD
VSS
AVSS
I/O Description
I RESET. Generates a Reset when asserted (driven Low).
I Power Supply.
I Analog Power Supply.
I Ground.
I Analog Ground.
Pin Characteristics
Table 3 provides detailed information on the characteristics for each pin available on the
Z8F640x family products. Data in Table 3 is sorted alphabetically by the pin symbol mne-
monic.
Table 3. Pin Characteristics of the Z8F640x family
Symbol
Mnemonic
Active Low
Internal
Reset
or
Tri-State Pull-up or
Direction Direction Active High 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
x represents integer 0, 1,... to indicate multiple pins with symbol mnemonics that differ only by the integer
PS017610-0404
Signal and Pin Descriptions