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CMOS 8-bit Single Chip Microcomputer
CXP81900
Piggyback/
evaluator type
Description
The CXP81900 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type,
which is developed for evaluating the function of the
CXP81952/81960.
Features
• A wide instruction set (213 instructions) which cover
various types of data.
–16-bit operation/multiplication and division/
boolean bit operation instructions
• Minimum instruction cycle 250ns at 16MHz operation (4.5 to 5.5V)
333ns at 12MHz operation (3.0 to 5.5V)
122µs at 32kHz operation
• Applicable EPROM LCC type 27C256, LCC type 27C512
(Maximum 60Kbytes are available.)
• Incorporated RAM capacity 2048 bytes
• Peripheral functions
– A/D converter 8-bit, 12-channel, successive approximation method
(Conversion time of 20µs/16MHz)
– Serial interface Incorporated buffer RAM
(Auto transfer for 1 to 32 bytes), 1 channel
Incorporated 8-bit and 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
– High precision timing pattern generator PPG 19-pin, 32-stage programmable
RTG 5 pins, 2 channels
– PWM/DA gate output PWM output 12 bits, 2 channels
(Repetitive frequency 62.5kHz/16MHz)
DA gate pulse output 13 bits, 4channels
– FRC capture unit Incorporated 26-bit and 8-stage FIFO
– PWM output 14 bits, 1 channel
– Remote control receiving circuit 8-bit pulse measurement counter with on-chip 6-stage FIFO
– General purpose prescaler 7 bits (PG5 input frequency division, FRC capture possible.)
– HSYNC counter 12-bit event counter (SYNC1 input count)
• Interruption 20 factors, 15 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 100-pin ceramic PQFP
Note) Mask option depends on the type of the CXP81900. Refer to the Products List for details.
QFP supported
100 pin PQFP (Ceramic)
LQFP supported
Structure
Silicon gate CMOS IC
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 –
E95828A68-PS
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Pin Assignment in Piggyback Mode (QFP package)
CXP81900
PB5/PPO13
PB4/PPO12
PB3/PPO11
PB2/PPO10
PB1/PPO9
PB0/PPO8
PC7/RTO7
PC6/RTO6
PC5/RTO5
PC4/RTO4
PC3/RTO3
PC2/PPO18
PC1/PPO17
PC0/PPO16
PJ7
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
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
PB7/PPO15
PB6/PPO14
100
99
32
31
PA1/PPO1
PA0/PPO0
98
97
A6
A5
A4
A3
A2
A1
A0
NC
D0
34
33
PA3/PPO3
PA2/PPO2
95
96
10
11
12
13
35
36
PA4/PPO4
94
4
5
6
7
8
9
14
37
PA5/PPO5
93
92
A12
A7
3
15
D2
D1
39
38
PA7/PPO7
PA6/PPO6
91
90
NC
A15
2
1
16
17
NC
GND
40
41
NC
32
18
89
DD
V
D3
42
DD
V
31
19
88
A14
D4
43
Vss
30
20
87
A13
D5
44
TX
23
29
28
27
26
25
24
22
21
45
86
TEX
85
46
PI2/PWM
PI1/RMC
84
83
A8
A9
A11
NC
OE
A10
CE
D7
D6
48
47
PI5/SCK1
PI4/INT1/NMI
PI3/TO/ADJ
82
81
50
49
76
75
67
65
64
63
80
79
78
77
74
73
72
71
70
69
68
66
62
61
60
59
58
57
56
55
54
53
52
51
PI6/SO1
PI7/SI1
PE0/INT0
PE1/EC/INT2
PE2/PWM0
PE3/PWM1
PE4/DAA0
PE5/DAA1
PE6/DAB0
PE7/DAB1
PG0
PG1
PG2
PG3
PG4
PG5/PCK
PG6/EXI0
PG7/EXI1
AN0
AN1
AN2
AN3
PF0/AN4
PF1/AN5
PF2/AN6
PF3/AN7
DD
AV
AVREF
AVss
PF4/AN8
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
MP
RST
Vss
XTAL
CS0
EXTAL
SI0
SO0
Note) 1. NC (Pin 90) is always connected to VDD.
2. VSS (Pins 41 and 88) are both connected to GND.
3. MP (Pin 39) is always connected to GND.
– 2 –
SCK0
PF6/AN10
PF7/AN11
PF5/AN9
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Pin Assignment in Piggyback Mode (LQFP package)
CXP81900
PB3/PPO11
PB2/PPO10
PB1/PPO9
PB0/PPO8
PC7/RTO7
PC6/RTO6
PC5/RTO5
PC4/RTO4
PC3/RTO3
PC2/PPO18
PC1/PPO17
PC0/PPO16
PJ7
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PD7
PD6
PD5
PD4
PD3
DD
V
NC
PA7/PPO7
PA6/PPO6
PA5/PPO5
PA4/PPO4
PA3/PPO3
PA2/PPO2
PA1/PPO1
PA0/PPO0
PB7/PPO15
PB6/PPO14
PB5/PPO13
PB4/PPO12
100
99
98
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
95
93
94
96
97
92
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
GND
89
88
91
90
1
3
4
6
7
8
9
10
11
12
13
14
87
2
5
TX
Vss
86
85
28
27
26
25
24
23
22
21
20
19
18
17
16
15
84
TEX
83
VDD
A14
A13
A8
A9
A11
OE
A10
CE
D7
D6
D5
D4
D3
PI2/PWM
PI1/RMC
82
PI4/INT1/NMI
PI3/TO/ADJ
81
80
PI5/SCK1
79
PI6/SO1
78
PI7/SI1
77
PE0/INT0
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
PE1/EC/INT2
PE2/PWM0
PE3/PWM1
PE4/DAA0
PE5/DAA1
PE6/DAB0
PE7/DAB1
PG0
PG1
PG2
PG3
PG4
PG5/PCK
PG6/EXI0
PG7/EXI1
AN0
AN1
AN2
AN3
PF0/AN4
PF1/AN5
PF2/AN6
PF3/AN7
AVDD
AVREF
35
PH2
PH1
37
36
PH0
32
31
PH5
PH4
33
34
PH3
26
27
28
30
29
PH6
PH7
PD0
PD1
PD2
MP
40
38
39
41
42
Vss
RST
XTAL
EXTAL
Note) 1. NC (Pin 88) is always connected to VDD.
2. VSS (Pins 39 and 86) are both connected to GND.
3. MP (Pin 37) is always connected to GND.
– 3 –
CS0
SI0
46
45
44
SO0
SCK0
PF7/AN11
43
48
47
PF5/AN9
PF6/AN10
49
50
PF4/AN8
AVss