OKI MSM65344A-xxxGS-BK Datasheet

E2E1018-27-Y3

¡ Semiconductor

This version: Jan. 1998

Previous version: Nov. 1996

MSM65344A¡ Semiconductor

MSM65344A

8-Bit Microcontroller with A/D Converter (with LCD Driver)

GENERAL DESCRIPTION

The MSM65344A is a high performance 8-bit microcontroller that employs OKI original CPU core nX-8/50. The MSM65344A includes 12K-byte program memory, 384-byte data memory, LCD driver, timer, PWM, serial I/O, and 8-bit A/D converter. Also available is the MSM65P344, which replace the on-chip program memory with one-time PROM.

FEATURES

• Operating range Operating voltage : 2.7V to 5.5V

Operating temperature : –20°C to +70°C

Operating frequency : 0 to 10MHz (@V

0 to 5MHz (@VDD=2.7V to 5.5V)

Current consumption (TYP.) : 5mA (@5MHz, VDD=3V)

: 20mA (@10MHz, VDD=5V)

1.5mA (@5MHz, VDD=3V, HALT MODE) 4mA (VDD=3V, STOP MODE)

• Minimum instruction execution time : 400ns (@10MHz), 800ns (5MHz)

• CPU core : 8-bit CPU core nX-8/50

• General memory space : Internal 12K-byte program memory

• Local memory space : Internal 384-byte data memory + SFR

• LCD driver : 16 ¥ 4 (selectable duty cycle from 1/4, 1/3 or

1/2 with software)

• I/O port : 7 ports, 48 bits Input-output port : 3 ports ¥ 8 bits, 1 port ¥ 7 bits, 1 port ¥ 6 bits,

1 port ¥ 3 bits Input port : 1 port ¥ 6 bits, 1 port ¥ 1 bit Output-port : 1 port ¥ 1 bit

• Timer : 8-bit auto-reload timer ¥ 2

• Counter : Time base counter ¥ 1 (14 bits)

• Serial I/O : 1ch, clock sync ¥ 1

• PWM : 2ch, 8-bit duty, cycle from 1Hz to 80kHz (@10MHz)

• Buzzer output circuit : 1 circuit, selectable from 1kHz to 16kHz

• A/D converter : 8-bit ¥ 6-ch

• External interrupt : 2 lines, selectable from rising edge/falling edge/both edges

• External interrupt for remote control : With sampling circuit for noise prevention

• Interrupt source : 11 sources

• Package:

80-pin plastic QFP (QFP80-P-1420-0.80-BK) (Product name: MSM65344A-¥¥¥GS-BK)

¥¥¥ indicates the code number.

• Others : CPU clock can be an OSC or half-OSC clock. Time base counter can be selected with 1/4n of a CPU clock (n=1 to 8).

=5V±10%)

DD

1/16

2/16

MSM65344A¡ Semiconductor

BLOCK DIAGRAM

RAM

(384 bytes)

TBC

BUZZER OUTPUT

CIRCUIT

PWM

8-bit TIMER¥2

SIO (SYNC MODE)

INTERRUPT

CONT.

BZ*

PWM0* PWM1*

INT0* INT1*

T1OUT* T0CK* GATE*

SFTO2* SFTI2* SFTCK2*

SAMPLING

CIRCUIT

INTRMC*

BUS

CONT.

ROM

(12K bytes)

GMAR

PC

LMARSPPSWBRAR

ALU

IR

INST.

DEC.

T/C

OSC.

CONT.

OSC0

OSC1

RESET

HSTOP*

CLKOUT*

V

DD

GND

LCD DRIVER

V

DD1VDD2VDD3

C1

C2

COM1

COM4

SEG0

SEG15

I/O PORT

P7

P6

P5

P4

P3

P1

P0

8-bit A/D C

¥ 6ch

AGND

AVDDAI0-5*

* Secondary function of each port

CPU CORE

PIN CONFIGURATION (TOP VIEW)

DD2

DD3

V

C1

C2

COM1

COM2

COM3

74

75

76

77

78

79

80

DD1

V

73

P6.7

72

P6.6

71

P6.5

70

P6.4

69

P6.3

68

P6.1(OUT)

P6.2

66

67

MSM65344A¡ Semiconductor

P6.0(IN)

65

COM4

SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8

SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15

AGND P3.0/AI0 P3.1/AI1 P3.2/AI2 P3.3/AI3 P3.4/AI4 P3.5/AI5

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

1 2 3 4 5 6 7 8 9

64

RESET

63

GND

62

OSC0

61

OSC1

60

P0.0/INT0

59

P0.1/HSTOP P0.2/T1OUT58

57

P0.3/T0CK

56

P0.4/INT1

55

P0.5/CLKOUT

54

P0.6

53

P0.7/BZ V

52

DD

51

P1.2/PWM1

50

P1.3/PWM0

49

P1.4/INTRMC

48

P7.7/SFTO2

47

P7.6/SFTI2 P7.5/SFTCK246

45

P7.4

44

P7.3

43

P7.2

42

P7.1

41

P7.0

25

DD

AV

26

P5.6

27

P5.5

28

P5.4

34

33

32

31

30

29

P4.6

P4.7

P5.0

P5.1

P5.2

P5.3

80-Pin Plastic QFP

35

P4.5

36

P4.4

37

P4.3

38

P4.2

39

P4.1

40

P4.0

3/16

PIN DESCRIPTION

Basic Function

MSM65344A¡ Semiconductor

Function Pin Type Description

52 — Digital supply voltage (5V) 63 — Digital ground (0V) 25 — Analog supply voltage (5V)

Power Supply

18 — Analog ground (0V) 73 — Bias output for LCD driver 74 — Bias output for LCD driver 75 — Bias output for LCD driver 76 — Pins for connecting capacitors that generate bias 77 —

Symbol

V

DD

GND

AV

DD

AGND

V

DD1

V

DD2

V

DD3

C1 C2

for the LCD driver. Oscillation input pin on the OSC side:

62 Input

OSC0

Connect to a quartz oscillator (ceramic resonator), or input external clock.

Oscillation

61 Output

OSC1

Oscillation output pin on the OSC side: Connect to a quartz oscillator (ceramic resonator). When external clock is input to the OSC0 pin, the OSC1 pin should be kept open.

System reset input: When this pin is set to the "L" level, the internal

Control

64 Input

RESET

status is initialized to start execution of instructions from address 0040H. The input is pulled up to V

with an internal pull-up resistor.

DD

4/16

Basic Function (Continued)

MSM65344A¡ Semiconductor

Function Pin Type Description

60

to

53

51

to

49

19

to

24 40

to

33

Port

32

to

26

Symbol

P0.0

to

P0.7

P1.2

to

P1.4

P3.0

to

P3.5 P4.0

to

P4.7

P5.0

to

P5.6

I/O

8-bit input-output port (port 0): Each of bits 0 to 7 can be configured to be an input or an output by the direction register of port 0 (P0DIR). In addition to the basic function as an input-output port, a secondary function is allocated to each of P0.0 through P0.7. Refer to the next table.

3-bit input-output port (port 1): Each of bits 1.2 to 1.4 is configured to be input or output by the direction register of port 1 (P1DIR). In addition to the basic function as an input-output port, a secondary function is allocated to each of P1.2 through P1.4. Refer to "PIN DESCRIPTION (Secondary Function)".

6-bit input port (port 3):

I

Each of P3.0 to P3.5 functions as analog input channel of A/D converter.

8-bit input-output port (port 4): 8-bit input-output port.

7-bit input-output port (port 5): Each of bits 5.0 to 5.6 can be configured to be an input or an output by the direction register of port 5 (P5DI).

LCD Driver

65 I

66 O

67

to

72

41

to

48

78

to

1 2

to

17

P6.0

(IN)

P6.1

(OUT)

P6.2

to

P6.7

P7.0

to

P7.7

COM1

to

COM4

SEG0

to

SEG15

I/O

1-bit input port (port 6.0): 1-bit input port.

1-bit output port (port 6.1): Pulled high when reset is done. If this pin is set to the "0" level during reset, this IC goes into a test mode, disabling execution of the user program.

6-bit input-output port (port 6): 6-bit input-output port.

8-bit input-output port (port 7): Each of bits 7.0 to 7.7 can be configured to be an input or an output by the direction register of port 7 (P7DIR). In addition to the basic function as the input-output port, a secondary function is allocated to each of P7.4 through P7.7. Refer to the next table.

LCD common signal output pinsO

LCD segment signal output pinsO

5/16