Sony CXP82900 Datasheet
CXP82900
CMOS 8-bit Single Chip Microcomputer
Description
The CXP82900 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type,
which is developed for evaluating the function of the
CXP82940/82948/82952/82960.
Features
• Wide-range instruction system (213 instructions)
to cover various types of data
— 16-bit operation/multiplication and division/
Boolean bit operation instructions
• Minimum instruction cycle 250ns at 16MHz operation
122µs at 32kHz operation
• Applicable EPROM LCC type 27C512 (Maximum 60K bytes are available.)
• Incorporated RAM capacity 2048 bytes (Including fluorescent display data area.)
• Peripheral functions
— A/D converter 8-bit, 8-channel, successive approximation method
(Conversion time of 20µs/16MHz)
— Serial interface Incorporated buffer RAM (Auto transfer for 1 to 32bytes), 1 channel
Incorporated 8-bit, 8-stage FIFO (Auto transfer for 1 to 8 bytes), 1 channel
— Timer 8-bit timer
8-bit timer/counter
19-bit time base timer
32kHz timer/counter
— Fluorescent display panel controller/driver
Maximum 196-segment display possible
1 to 16-digit dynamic display
Dimmer function
High voltage drive output (40V)
Pull-down function
Hardware key scan function (Maximum 12 × 8 key matrix compatible)
—I2C bus interface
— Remote control transmission circuit
Auto transmission for 1 to 32 bytes, restart function, carrier output function
— Remote control reception circuit
8-bit pulse measurement counter with on-chip 6-stage FIFO
• Interruption 16 factors, 15 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 80-pin ceramic QFP
Note) Mask option depends on the type of the CXP82900. Refer to the Products List for details.
80 pin PQFP (Ceramic)
evaluator type
Piggyback/
Structure
Silicon gate CMOS IC
Perchase of Sony's I2C components conveys a licence under the Philips I2C Patent Rights to use these components
in an I2C system, provided that the system conforms to the I2C Standard Specifications as defined by Philips.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
– 1 –
E95613-PP
Pin Configuration in Piggyback Mode
CXP82900
PE1/INT1
PE2/INT2
PE3/INT3/NMI
PE4/RMC
PE5
PE6/RMCO
PE7/TO/ADJ
PB0
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1
PA0/AN0
PA1/AN1
PA2/AN2
PA3/AN3
PA4/AN4
PA5/AN5
PA6/AN6
PA7/AN7
AVDD
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
PG3
PE0/EC/INT0
80
78
79
A6
A5
A4
A3
A2
A1
A0
NC
D0
PG2
77
PG1
5
6
7
8
9
10
11
12
13
76
PG0
4
14
75
A7
D1
15
NC
3
74
A12
D2
TEX
2
16
TX
73
A15
1
17
GND
72
NC
NC
32
18
DD
V
71
DD
V
D3
31
19
T0
70
A14
D4
30
20
T1
69
A13
D5
T2
29
28
27
26
25
24
23
22
21
68
T3
67
T4
66
A8
A9
A11
NC
OE
A10
CE
D7
D6
T5
65
T6
60
59
58
57
55
64
63
62
61
56
54
53
52
51
50
49
48
47
46
45
44
42
41
43
T7
T8/S19
T9/S18
T10/S17
T11/S16
T12/S15
T13/S14
T14/S13
T15/S12
S11
S10
S9
S8
PD7/S7
PD6/S6
PD5/S5
PD4/S4
PD3/S3
PD2/S2
PD1/S1
PD0/S0
VFDP
PC7/KR7
PC6/KR6
25
REF
AV
26
27
PF0/SCL0
28
29
PF1/SCL1
PF2/SDA0
31
30
SS
AV
PF3/SDA1
32
XTAL
EXTAL
33
SS
V
34
35
RST
37
36
PC1/KR1
PC0/KR0
PC2/KR2
Note) NC (Pin 75) is always connected to VDD.
– 2 –
38
39
PC3/KR3
40
PC5/KR5
PC4/KR4
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