DATA SHEET
MOS Integrated Circuit
µ
PD70732
V810
TM
32-BIT MICROPROCESSOR
The
µPD70732
(a.k.a. V810) microprocessor is NEC’s first microprocessor of the V810 family
TM
for embedded
control applications.
The V810 employs a RISC architecture for embedded control applications. This product has high-speed real
time response, high-speed integer operation instruction, bit string instruction, floating-point operation instruction,
and significantly high cost performance is realized for applications such as facsimile, digital PPC, word processor,
image processor, real time control device, etc.
The functions are described in detail in the following User’s Manuals, which should be read before
starting design work.
• V805
TM
, V810 User’s Manual Hardware
: U10661E
• V810 Family User’s Manual Architecture : U10082E
Features
High-performance 32-bit architecture for embedded control application
• 32-bit separate address/data bus
• 1-Kbyte cache memory
•
•
•
•
Pipeline structure of 1 clock pitch
16-bit fixed instructions (with some exceptions)
32-bit general-purpose registers: 32
4-Gbyte linear address space
• Register/flag hazard interlocked by hardware
Dynamic bus sizing function (16 bits)
16-bit bus fixing function
16-bit bus system can be configured.
Instructions ideal for various application fields
• Floating-point operation instructions (based upon IEEE754 data format)
• Bit string instructions
16 levels of high-speed interrupt responses
Clock can be stopped by internal static operation
Maximum operating frequency: 16/20/25 MHz
Low voltage: V
DD
= 2.7 to 3.6 V (Max. 16 MHz)
V
DD
= 2.2 to 3.6 V (Max. 10 MHz)
Small package versions available (14 x 14 mm fine-pitch TQFP)
5
The information in this document is subject to change without notice.
The mark
5
shows major revised points.
Document No. U10691EJ3V0DS00 (3rd edition)
Date Published September 1996 P
Printed in Japan
©
1993
µ
PD70732
Ordering Information
Part Number
Package
120-pin plastic QFP (28 x 28 mm)
120-pin plastic QFP (28 x 28 mm)
120-pin plastic QFP (28 x 28 mm)
120-pin plastic TQFP (Fine pitch) (14 x 14 mm)
176-pin ceramic PGA (Seam weld)
Max. operating freq. (MHz)
16
20
25
25
25
µ
PD70732GD-16-LBB
µ
PD70732GD-20-LBB
µ
PD70732GD-25-LBB
5
µ
PD70732GC-25-9EV
µ
PD70732R-25
Pin Outline
A31 to A1
V810
CLK
D31 to D0
BE3 to BE0
RESET
ST1, ST0
INT
DA
INTV3 to INTV0
MRQ
NMI
R/W
HLDRQ
BCYST
HLDAK
BLOCK
READY
SZRQ
SIZ16B
ICHEEN
ADRSERR
2
µ
PD70732
5
• 120-pin plastic TQFP (Fine pitch) (14 x 14 mm) (Top View)
µ
PD70732GC-25-9EV
V
DD
D19
D20
D21
GND
D22
D23
D24
D25
D26
D27
D28
D29
D30
V
DD
GND
V
DD
D31
A31
A30
A29
A28
A27
A26
A25
A24
A23
GND
A22
V
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
GND
D18
D17
D16
D15
D14
D13
GND
D12
D11
D10
D9
D8
V
DD
V
DD
D7
D6
D5
GND
D4
D3
GND
D2
D1
D0
RESET
IC1
IC1
IC1
V
DD
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
IC1
IC2
IC2
ICHEEN
NMI
INT
INTV0
INTV1
INTV2
INTV3
BLOCK
GND
V
DD
CLK
GND
SIZ16B
DA
V
DD
BCYST
HLDAK
ADRSERR
BE0
BE1
A1
BE2
BE3
R/W
MRQ
ST1
GND
Cautions 1. V
DD
is power supply pin. All V
DD
pins should be connected to a +5V power supply (the
same power supply).
2. GND is ground pin. All GND pins should be connected to the same GND.
3. Leave the IC1 pin open.
4. Connect the IC2 pin to GND.
Remark
IC: Internally Connected
4
GND
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
GND
V
DD
V
DD
A9
GND
A8
A7
A6
A5
A4
A3
A2
READY
SZRQ
HLDRQ
ST0
V
DD
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
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