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eZ80F91 Datasheet(PDF) 9 Page - Zilog, Inc.

Part # eZ80F91
Description  Factory-default operating clock frequency at 50 MHz
PDF  30 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

eZ80F91 Datasheet(HTML) 9 Page - Zilog, Inc.

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PS026102-1207
Pin Description
Zdots® SBC for eZ80AcclaimPlus!™ Connectivity ASSP
Product Specification
5
Table 1. Zdots Peripheral Bus Connector Pin Identification*
Pin No Symbol
Pull
Up/Down*
Signal Direction Comments
1
Reserved
2
Reserved
3
Reserved
4
Reserved
5TRSTN
Input
Reset for on-chip instrumentation (OCI).
6
Reserved
7
F91_WE
PU 10 k
Ω
Input
A Low enables a Write to on-chip Flash
memory. If this pin is unconnected, on-chip
Flash memory is Write-protected.
8
Reserved
9GND
VSS/Ground (0 V).
10
VCC
3.3 V supply input pin.
11
A6
Bidirectional
12
A0
Bidirectional
13
A10
Bidirectional
14
A3
Bidirectional
15
GND
VSS/Ground (0 V).
16
VCC
3.3 V supply input pin.
17
A8
Bidirectional
18
A7
Bidirectional
19
A13
Bidirectional
20
A9
Bidirectional
21
A15
Bidirectional
22
A14
Bidirectional
23
A18
Bidirectional
24
A16
Bidirectional
25
A19
Bidirectional
26
GND
VSS/Ground (0 V).
27
A2
Bidirectional



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