eZ80L92 MCU
Product Specification
22
Table 2. Pin Characteristics of eZ80L92 MCU (Continued)
Schmitt
Pin
No.
Reset
Active
Tristate
Pull
Trigger
Input Drain/Source
Open
Symbol
ADDR20
ADDR21
ADDR22
ADDR23
CS0
Direction Direction Low/High Output Up/Down
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
N/A
N/A
N/A
N/A
Low
Low
Low
Low
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
CS1
O
No
CS2
O
No
CS3
O
No
V
V
DD
SS
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
V
V
DD
SS
IORQ
MREQ
RD
I/O
I/O
O
O
O
I
O
O
O
O
O
I
Low
Low
Low
Low
Low
Low
Low
Low
Yes
Yes
No
No
No
No
No
No
No
Up
No
No
No
No
No
No
No
Yes
Yes
No
No
No
WR
No
No
INSTRD
WAIT
RESET
NMI
No
No
N/A
N/A
N/A
N/A
N/A
N/A
I
I
I
I
PS013014-0107
Architectural Overview
ZILOG [ ZILOG, INC. ]
