Sony CXP84416, CXP84412 Datasheet

CXP84412/84416

CMOS 8-bit Single Chip Microcomputer

Description

The CXP84412/84416 is a CMOS 8-bit single chip
microcomputer integrating on a single chip an A/D
converter, serial interface, timer/counter, time base
timer, 32kHz timer/counter, remote control reception
circuit and other servo systems besides the basic
configurations of 8-bit CPU, ROM, RAM, and I/O
port.

The CXP84412/84416 also provides and a sleep/
stop function that enables lower power consumption.

Features

• Wide-range instruction system (213 instructions) to cover various types of data.

— 16-bit arithmetic/multiplication and division/Boolean bit operation instructions

• Minimum instruction cycle 400ns at 10MHz operation

122µs at 32kHz operation

• Incorporated ROM capacity 12Kbytes (CXP84412)

16Kbytes (CXP84416)

• Incorporated RAM capacity 448bytes

• Peripheral functions

— A/D converter 8-bit, 8-channel, successive approximation method

(Conversion time of 32µs/10MHz)

— Serial interface Incorporated 8-bit, 8-stage FIFO

(Auto transfer for 1 to 8 bytes), 2 channel

— Timer 8-bit timer, 8-bit timer/counter, 19-bit time base timer,

32kHz timer/counter
— Remote control reception circuit Incorporated 6-stage FIFO 8-bit measurement counter
— PWM output for tuner 14 bits

• Interruption 12 factors, 12 vectors, multi-interruption possible

• Standby mode SLEEP/STOP

• Package 80-pin plastic QFP

• Piggyback/evaluation chip CXP84400 80-pin ceramic QFP

80 pin QFP (PIastic)

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 –

E93909-ST

CXP84412/84416

Vss
V

DD

RST

XTAL
EXTAL
TX
TEX

PE3/NMI
PI3/INT3

PI2/INT2
PI1/INT1
PI0/INT0

PA0 to PA7

8

PORT A

PB0 to PB7

8

PORT B

CLOCK GEN./

SYSTEM CONTROL

SPC700

CPU CORE

PC0 to PC7

8

PORT C

RAM

ROM

PE0 to PE3

PE4 to PE5

2

PF0 to PF7

8

PORT F

PD0 to PD7

4

8

PORT DPORT E

32kHz

448 BYTES

12K/16K BYTES

PRESCALER/

INTERRUPT CONTROLLER

2

PG0 to PG7

8

PH0 to PH7

8

PORT GPORT HPORT I

TIMER/COUNTER

TIME BASE TIMER

PI0 to PI7

8

REF

Block Diagram

AV

AVss

A/D CONVERTER

14 BIT PWM GENERATOR

8

AN0 to AN7

PE4/PWM

FIFO

REMOCON

PE2/RMC

PB1/CS0

SERIAL

PB3/SI0

PB4/SO0

PB2/SCK0

FIFO

UNIT 0

INTERFACE

PB6/SI1

PB7/SO1

PB0/CS1

PB5/SCK1

2

8 BIT TIMER 1

8 BIT TIMER/COUNTER 0

PE0/EC

PE5/TO

PE5/ADJ

– 2 –

Pin Assignment (Top View)

CXP84412/84416

PF3
PF4
PF5
PF6

PF7
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PH0
PH1
PH2

10
11
12
13
14
15
16
17
18
19

20
21
22
23

24

80

PF2

79

PF1

78

PF0

77

PG7

76

PG6

75

PG5

74

PG4

73

NC

72

DD

V

71

PG3

PG2

70

69

PG1

68

PG0

67

1

2
3
4

5
6
7
8
9

PI7

66

PI6

65

PI5

60
59
58

64
63
62
61

57
56
55
54
53
52
51
50
49
48
47
46
45
44

42
41

43

PI4
PI3/INT3
PI2/INT2
PI1/INT1
PI0/INT0
PE5/TO/ADJ
PE4/PWM
PE3/NMI
PE2/RMC
PE1
PE0/EC
PB7/SO1
PB6/SI1
PB5/SCK1
PB4/SO0
PB3/SI0
PB2/SCK0
PB1/CS0
PB0/CS1
PA7/AN7
PA6/AN6
PA5/AN5
PA4/AN4
PA3/AN3

25

PH3

26

PH4

27 28

PH5

PH6

29

PH7

30

RST

31

EXTAL

32

XTAL

33

SS

V

34

TX

35

36

TEX

Note) NC (Pin 73) must be connected to VDD.

– 3 –

SS

AV

37

38

REF

AV

40

39

PA1/AN1

PA0/AN0

PA2/AN2

Pin Description

Pin code I/O Functions

(Port A)
8-bit I/O port. I/O can be

PA0/AN0

to

PA7/AN7

I/O/analog input

set in single bit units.
Incorporation of the
pull-up resistance can be
set through the software

Analog inputs to A/D converter.
(8 pins)

in a unit of 4 bits.
(8 pins)

CXP84412/84416

PB0/CS1
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1

PE0/EC
PE1
PE2/RMC
PE3/NMI
PE4/PWM

PE5/TO/ADJ

I/O/input
I/O/input
I/O/I/O
I/O/input
I/O/output
I/O/input/output
I/O/input
I/O/output

I/OPC0 to PC7

I/OPD0 to PD7

Input/input
Input
Input/input
Input/input
Output/output

Output/output/
output

I/OPF0 to PF7

Chip select input for serial interface (CH1).

(Port B)
8-bit I/O port. I/O can be
set in single bit units.
Incorporation of pull-up
resistor can be set
through the software in a
unit of 4 bits.
(8 pins)

Chip select input for serial interface (CH0).
Serial clock I/O (CH0).
Serial data input (CH0).
Serial data output (CH0).
Serial clock I/O (CH1).
Serial data input (CH1).
Serial data output (CH1).

(Port C)
8-bit I/O port. I/O can be set in a unit of single bits. Capable of driving
12mA sync current. Incorporation of pull-up resistor can be set through
the software in a unit of 4 bits.
(8 pins)

(Port D)
8-bit I/O port. I/O can be set in a unit of single bits. Incorporation of pull­up resistor can be set through the software in a unit of 4 bits.
(8 pins)

External event inputs for timer/counter.

(Port E)
6-bit port. Lower 4 bits
are for inputs; upper
2 bits are for outputs.

Remote control reception circuit input.
Non-maskable interruption request input.

Incorporation of pull-up
resistor can be set
through the software.
(8 pins)

14-bit PWM output.
Rectangular wave output for 16-bit timer/

counter (duty output 50%). Output for 32kHz
oscillation frequency demultiplication.

(Port F)
8-bit output port. I/O can be set in a unit of single bits. Incorporation of
pull-up resistor can be set through the software in a unit of 4 bits.
(8 pins)

– 4 –

Pin code I/O Functions

(Port G)

I/OPG0 to PG7

8-bit I/O port. I/O can be set in a unit of single bits. Incorporation of pull­up resistor can be set through the software in a unit of 4 bits.
(8 pins)

(Port H)

I/OPH0 to PH7

8-bit I/O port. I/O can be set in a unit of single bits. Incorporation of pull­up resistor can be set through the software in a unit of 4 bits.
(8 pins)

CXP84412/84416

PI0/INT0

to

PI3/INT3
PI4 to PI7

EXTAL

TEX

RST
NC
AVREF
AVss
VDD
Vss

I/O/input

I/O
Input
OutputXTAL

Input
OutputTX
Input

Input

(Port I)
8-bit output ports. I/O can be set in a unit of single
bits. Incorporation of pull-up resistor can be set

External
interruption
request inputs.

through the software in a unit of 4 bits.
(8 pins)

Crystal connectors for system clock oscillation. When the clock is supplied
externally, input to EXTAL; opposite phase clock should be input to XTAL.

Crystal connectors for 32kHz timer/counter clock generation circuit.
Connect a 32.768kHz crystal oscillator between TEX and TX. For usage
as event input, connect clock oscillation source to TEX, and open TX.

Low-level active, system reset.
NC. Under normal operating conditions, connect to VDD.
Reference voltage input for A/D converter.

A/D converter GND.
Vcc supply.
GND

– 5 –

Data bus

RD (Port B)

IP

Port B output
selection

"0" when reset

∗

Schmitt input

SCK0 in

Port B data

Port B direction

"0" when reset

"0" when reset

SCK OUT

Output enable

∗

Pull-up transistors

approx. 100kΩ

Pull-up
resistance

SCK1

I/O Circuit Format for Pins

CXP84412/84416

Pin

PA0/AN0

to

PA7/AN7

8 pins

PB0/CS1
PB1/CS0
PB3/SI0
PB6/SI1

Port A

Port B

Data bus

Data bus

Pull-up
resistance

"0" when reset

Port A data

Port A direction

"0" when reset

RD (Port A)

Port A input
selection

"0" when reset

Pull-up
resistance

"0" when reset

Port B data

Port B direction

"0" when reset

Circuit format

A/D converter

Input multiplexer

Schmitt input

∗

Input protection

IP

circuit

∗

Pull-up transistors

approx. 100kΩ

∗

IP

When reset

Hi-Z

Hi-Z

4 pins

PB2/SCK0
PB5/SCK1

2 pins

Port B

RD (Port B)

CS1
CS0
SI0
SI1

∗

Pull-up transistors

approx. 100kΩ

Hi-Z

– 6 –