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Sony Semiconductor Electronic Components Datasheet

CXP85890A Datasheet

CMOS 8-bit Single Chip Microcomputer

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CXP85890A
CMOS 8-bit Single Chip Microcomputer
Piggyback/
evaluator type
Description
The CXP85890A is a CMOS 8-bit single chip micro-
computer of biggyback/evaluator combined type,
which is developed for evaluating the function of the
CXP85840A/ 85848A/ 85856A.
For the CXP85890A, the custom font is supported.
64 pin PSDIP (Ceramic)
Features
A wide instruction set (213 instructions) which covers
various types of data
– 16-bit operation/multiplication and division/ Boolean
bit operation instructions
Structure
Minimum instruction cycle 333ns at 12MHz operation Silicon gate CMOS IC
Applicable EPROM
LCC type 27C512 (Maximum 56K bytes are available.)
Incorporated RAM
2176 bytes (Excludes closed caption decoder and VRAM for on-screen display)
EPROM for custom font
LCC type 27C512 (Maximum 6K bytes are available.)
Peripheral functions
– A/D converter
8-bit 6-channel successive approximation method
(Conversion time of 26.7µs at 12MHz)
– Serial interface
8-bit clock sync type, 1 channel
– Timer
8-bit timer
8-bit timer/counter
19-bit time-base timer
– Closed caption decoder
Data slicer
Corresponds to FCC (EDS supported), 8 × 13 dots, 192 character types
15 character colors, 4 lines × 34 characters
frame background 15 colors/ half blanking
italic, underline, vertical scrolling
– On-screen display (OSD) function 12 × 16 dots, 192 character types, 15 character colors
2 lines × 24 characters
frame background 8 colors/ half blanking
background on full screen 15 colors/ half blanking
edging and vertical scrolling for every line
jitter elimination circuit
sprite OSD, 12 × 16 dots, 1 screen, 8 colors for every dot
– I2C bus interface
– PWM output
8 bits, 8 channels
– Remote control reception circuit 8-bit pulse measurement counter, 6-stage FIFO
– HSYNC counter
2 channels
– Watchdog timer
Interruption
15 factors, 15 vectors, multi-interruption possible
Standby mode
Sleep
Package
64-pin ceramic PSDIP (Supports custom font)
Note) Mask option is fixed by the CXP85890A. Refer to the Products List for details.
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–
E97829-PS


Sony Semiconductor Electronic Components Datasheet

CXP85890A Datasheet

CMOS 8-bit Single Chip Microcomputer

No Preview Available !

Pin Assignment in Piggyback Mode (Top View)
CXP85890A
PC3
PC2
PC1
PC0
EC/PD7
RMC/PD6
HS1/PD5
HS0/PD4
SI/PD3
SO/PD2
SCK/PD1
INT2/PD0
HSYNC/PA7
VSYNC/PA6
RST
VSS
XTAL
EXTAL
PA5/AN5
PA4/AN4
PA3/AN3
PA2/AN2
PA1/AN1
PA0/AN0
CVSS
LFC2
LFC1
VIN
CVDD
Cap
INT1/PB6
PB5
1
2
3
D1
4 D2
5 GND
NC
6
D3
7 D4
D5
8
9
10
11
12
13
14
D1
15
D2
16 GND
NC
17
D3
18 D4
19 D5
20
21
22
23
24
25
D1
26
D2
27 GND
28 NC
D3
29 D4
30 D5
31
32
13 12 11 10 9 8 7 6 5
14 4
15 3
16 2
17 For custom font 1
18 32
19 31
20 30
21 22 23 24 25 26 27 28 29
13 12 11 10 9 8 7 6 5
14 4
15 3
16 2
17 For custom font 1
18 32
19 31
20 30
21 22 23 24 25 26 27 28 29
13 12 11 10 9 8 7 6 5
14 4
15 3
16 2
17 For programming 1
18 32
19 31
20 30
21 22 23 24 25 26 27 28 29
64
63
62
A7
A12 61
A15 60
NC
59
VDD
A14 58
A13
57
56
55
54
53
52
51
A7
50
A12
A15 49
NC
48
VDD
A14 47
A13 46
45
44
43
42
41
40
A7
39
A12
A15 38
NC 37
VDD
36
A14
A13 35
34
33
PC4
PC5
PC6
PC7
PF0/PWM0
PF1/PWM1
PF2/PWM2
PF3/PWM3
PF4/SCL0/PWM4
PF5/SCL1/PWM5
PF6/SDA0/PWM6
PF7/SDA1/PWM7
PE0/TO
PE1
PE2/INT0
MP
VSS
VDD
NC
EXLC
XLC
YM
YS
I
B
G
R
PB0
PB1
PB2
PB3
PB4
Note) 1. NC (Pin 46) is always connected to VDD.
2. VSS (Pins 16 and 48) are both connected to GND.
3. MP (Pin 49) is always connected to GND.
–2–


Part Number CXP85890A
Description CMOS 8-bit Single Chip Microcomputer
Maker Sony Corporation
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