OKI MSM64155A-xxx, MSM64155AL-xxx, MSM64155AL-xxxGS-BK, MSM64155A-xxxGS-BK Datasheet

E2E0030-38-95

This version: Sep. 1998

Semiconductor MSM64155A/64155AL

¡ Semiconductor

Previous version: Mar. 1996

MSM64155A/64155AL

4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit

GENERAL DESCRIPTION

The MSM64155A (1.5 V)/64155AL (3.0 V) is a high-performance 4-bit microcontroller that incorporates Oki-original CPU core nX-4/20.

The MSM64155A/64155AL has an LCD driver for up to 240 segments, an event counter, and melody circuits. It is best suited for applications such as clocks and LCD games.

FEATURES

• Operating range
Operating voltage	: 1.5 V/3.0 V
Operating temperature	: –40 to +70 °C
Operating frequency	: 32.768 kHz crystal oscillation
	Approx. 32 kHz RC oscillation
Supply current (Typ.)	: 0.9 mA (3.0 V at HALT mode)
• Minimum instruction execution time	: 91 ms
• General memory space	: 4064 bytes
• Local memory space	: 256 nibbles
• LCD driver	: 64
	Common driver ´ 4
	Segment driver ´ 60
	1/4 duty, 1/3 bias; 240 segments (60 ´ 4)
	1/3 duty, 1/3 bias; 180 segments (60 ´ 3)
• I/O port	: 2 ports ´ 4 bits (open-drain output/CMOS output
Input-output port
	selectable; pull-down resistor input/high-impedance
	input selectable)
Input port	: 1 port ´ 2 bits (pull-down resistor input/high-impedance
	input selectable)
	1 port ´ 4 bits (pull-down resistor input/high-impedance
	input selectable)
Output port	: 1 port ´ 4 bits (CMOS output)
• Event counter	: 1 channel
• Melody output	: 2
• Interrupts	: 10 sources
	External 4, time base 4, melody 2
• Package:
100-pin plastic QFP (QFP100-P-1420-0.65-BK) : (Product name : MSM64155A-´´´GS-BK,
	MSM64155AL-´´´GS-BK)
Chip	: MSM64155A-´´´, MSM64155AL-´´´

´´´indicates a code number.

•OTP version (for program evaluation) : MSM64P155/64P155L

(The power polarity and operating voltage of the MSM64P155/64P155L are different from the MSM64155A/64155AL. For details, refer to the "MSM64P155 User's Manual".)

1/26

¡ Semiconductor

MSM64155A/64155AL

BLOCK DIAGRAM

MIEF HALT BSR

	TR2	TR0			TR1
		(4)				ROM
			PCM	PCL	PCH	4064B
	C	ALU				A8 to A11
					A7 to A0
		(4)	(4)			RAM
	B A			L	X Y	256N
			H

VVV C2C1SS3SS2SS1

BIAS

ADDRESSPORT

COM1

COM2

COM3

COM4

LCD SEG0

SEG59

OSC0

CLK

OSC1

RESET RST

TST1

TST2 TST

TST3

VSSL VR

VDD

				DB7 to DB0		(8)
	TIMING			SP	ROMR			INTC	MD0
CONTROLLER
									MD0
				DECODER	IR				MD0
TBC		4	IR			(8)			INT
		INT							MD1
					PORT ADDRESS				MD1
									MD1
					DB7 to DB0				INT
				INT			INT	INT	INT
BUP		CAPR		PORT2	EVENT	PORT3	PORT4	PORT6	PORT7

P2.0

P2.1

P2.2

P2.3

P3.0

P3.1

P4.0

P4.1

P4.2

P4.3

P6.0

P6.1

P6.2

P6.3

P7.0

P7.1

P7.2

P7.3

is the CPU core (nX-4/20).

2/26

¡ Semiconductor

MSM64155A/64155AL

PIN CONFIGURATION (TOP VIEW)

RESET 1 OSC0 2

OSC1 3

VSSL 4

P2.3 5

P2.2 6

P2.1 7

P2.0 8

P3.1 9

P3.0 10

P4.3 11

P4.2 12

P4.1 13

P4.0 14

P6.3 15

P6.2 16

P6.1 17

P6.0 18

P7.3 19

P7.2 20

P7.1 21

P7.0 22

VDD 23

MD0 24

MD0 25

MD1 26

MD1 27

TST3 28

TST2 29

TST1 30

V		V		V		C1	C2		COM1		COM2		COM3		COM4		SEG0		SEG1		SEG2		SEG3			SEG4		SEG5	SEG6		SEG7			SEG8		SEG9		SEG10
SS1		SS2		SS3
100		99		98		97		96		95		94		93		92		91		90		89		88		87		86		85		84		83		82		81

31		32		33		34		35		36		37		38		39		40		41		42		43		44		45		46		47		48		49		50
SEG59	SEG58		SEG57		SEG56		SEG55		SEG54		SEG53		SEG52		SEG51		(NC)		SEG50		SEG49		SEG48			SEG47		SEG46	SEG45		SEG44			SEG43		SEG42		SEG41

100-Pin Plastic QFP

Note: Pins marked as (NC) are no-connection pins which are left open.

80 SEG11

79 SEG12

78 SEG13

77 SEG14

76 SEG15

75 SEG16

74 SEG17

73 SEG18

72 SEG19

71 SEG20

70 SEG21

69 SEG22

68 SEG23

67 SEG24

66 SEG25

65 SEG26

64 SEG27

63 SEG28

62 SEG29

61 SEG30

60 SEG31

59 SEG32

58 SEG33

57 SEG34

56 SEG35

55 SEG36

54 SEG37

53 SEG38

52 SEG39

51 SEG40

3/26

¡ Semiconductor

MSM64155A/64155AL

PAD CONFIGURATION

Pad Layout

75	51
76	50

Y

X

99	26
1	25
Chip Size	: 4.35 mm ´ 4.50 mm
Chip Thickness	: 350 mm (typ.)
Coordinate Origin	: Chip center
Pad Hole Size	: 110 mm ´ 110 mm
Pad Size	: 120 mm ´ 120 mm
Minimum Pad Pitch	: 150 mm

Note: The chip substrate voltage is VDD.

4/26

¡ Semiconductor												MSM64155A/64155AL
Pad Coordinates
Pad No.	Pad	X (µm)		Y (µm)		Pad No.	Pad	X (µm)	Y (µm)		Pad No.	Pad	X (µm)	Y (µm)
	Name						Name					Name
1	OSC1	–1858		–2045		41	SEG47	2020	512		81	SEG7	–2020	998
2	VSSL	–1703		–2045		42	SEG46	2020	667		82	SEG6	–2020	843
3	P2.3	–1548		–2045		43	SEG45	2020	822		83	SEG5	–2020	688
4	P2.2	–1393		–2045		44	SEG44	2020	977		84	SEG4	–2020	533
5	P2.1	–1238		–2045		45	SEG43	2020	1132		85	SEG3	–2020	379
6	P2.0	–1084		–2045		46	SEG42	2020	1286		86	SEG2	–2020	224
7	P3.1	–929		–2045		47	SEG41	2020	1441		87	SEG1	–2020	69
8	P3.0	–774		–2045		48	SEG40	2020	1596		88	SEG0	–2020	–86
9	P4.3	–619		–2045		49	SEG39	2020	1751		89	COM4	–2020	–241
10	P4.2	–464		–2045		50	SEG38	2020	1906		90	COM3	–2020	–395
11	P4.1	–310		–2045		51	SEG37	1780	2045		91	COM2	–2020	–550
12	P4.0	–155		–2045		52	SEG36	1625	2045		92	COM1	–2020	–705
13	P6.3	0		–2045		53	SEG35	1471	2045		93	C2	–2020	–860
14	P6.2	155		–2045		54	SEG34	1316	2045		94	C1	–2020	–1015
15	P6.1	310		–2045		55	SEG33	1161	2045		95	VSS3	–2020	–1169
16	P6.0	464		–2045		56	SEG32	1006	2045		96	VSS2	–2020	–1324
17	P7.3	619		–2045		57	SEG31	851	2045		97	VSS1	–2020	–1479
18	P7.2	774		–2045		58	SEG30	697	2045		98	RESET	–2020	–1634
19	P7.1	929		–2045		59	SEG29	542	2045		99	OSC0	–2020	–1789
20	P7.0	1084		–2045		60	SEG28	387	2045
21	VDD	1238		–2045		61	SEG27	232	2045
22	MD0	1430		–2045		62	SEG26	77	2045
23	MD0	1658		–2045		63	SEG25	–77	2045
24	MD1	1813		–2045		64	SEG24	–232	2045
25	MD1	1968		–2045		65	SEG23	–387	2045
26	TST3	2020		–1810		66	SEG22	–542	2045
27	TST2	2020		–1655		67	SEG21	–697	2045
28	TST1	2020		–1500		68	SEG20	–851	2045
29	SEG59	2020		–1345		69	SEG19	–1006	2045
30	SEG58	2020		–1190		70	SEG18	–1161	2045
31	SEG57	2020		–1036		71	SEG17	–1316	2045
32	SEG56	2020		–881		72	SEG16	–1471	2045
33	SEG55	2020		–726		73	SEG15	–1625	2045
34	SEG54	2020		–571		74	SEG14	–1780	2045
35	SEG53	2020		–416		75	SEG13	–1935	2045
36	SEG52	2020		–262		76	SEG12	–2020	1772
37	SEG51	2020		–107		77	SEG11	–2020	1617
38	SEG50	2020		48		78	SEG10	–2020	1462
39	SEG49	2020		203		79	SEG9	–2020	1307
40	SEG48	2020		358		80	SEG8	–2020	1153

5/26

¡ Semiconductor

MSM64155A/64155AL

PIN DESCRIPTIONS

Basic Functions

	Function	Pin	Pad	Symbol	Type	Description
	Power	23	21	VDD	—	Digital supply voltage (0 V)
	Supply
		100	97	VSS1	—	Digital negative power supply (1.5 V spec.)
						Bias output for LCD driver (3.0 V spec.)
		99	96	VSS2	—	Digital negative power supply (3.0 V spec.)
						Bias output for LCD driver (1.5 V spec.)
		98	95	VSS3	—	Bias output for LCD driver (–4.5 V)
		97	94	C1	—	For connection to capacitors that generate bias for the
		96	93	C2	—	LCD driver
		4	2	VSSL	—	Negative power supply voltage pin for internal logic
						(An internally generated constant voltage is present at this pin.)
	Oscillation	2	99	OSC0	I	Clock oscillation pins:
						Either a crystal (32.768 kHz) and a capacitor (10 to 30 pF)
						are connected to these pins or a resistor (1 MW) is.
		3	1	OSC1	O
	Test	30	28	TST1	I	Input pins for test
		29	27	TST2	I
		28	26	TST3	I
	RESET	1	98	RESET	I	System reset input pin :
						Setting this pin to "H" level puts this device into a reset state.
						Then, setting this pin to "L" level starts executing an instruction
						from address 000H.
						This pin is internally connected to VSS1 or VSS2 through a
						pull-down resistor.

6/26

¡ Semiconductor					MSM64155A/64155AL
Basic Functions (continued)
Function	Pin	Pad	Symbol	Type	Description
Ports	8	6	P2.0	I	4-bit input port (port 2) :
					Select between pull-down resistor input and high impedance
	7	5	P2.1
					input for each bit with the port 2 control register (P2CON).
	6	4	P2.2
					When configured for secondary functions, an external
	5	3	P2.3
					interrupt and capture circuit trigger input are allocated.
					If P2.0 to P2.3 are set to "H" level, the device enters system
					reset mode.
	10	8	P3.0	I	2-bit input port (port 3) :
					Select between pull-down resistor input and high impedance
	9	7	P3.1
					input with the port 3 control register (P3CON).
					When configured for a secondary function, an external
					interrupt is allocated to P3.0 and an event counter is
					allocated to P3.1.
	14	12	P4.0	O	4-bit output port (port 4) :
	13	11	P4.1		4-bit CMOS output port.
	12	10	P4.2
	11	9	P4.3
	18	16	P6.0	I/O	4-bit input-output port (port 6) :
					Select between input and output, between pull-down resistor
	17	15	P6.1
					input and high impedance input, and between open-drain
	16	14	P6.2
					output and CMOS output with the port 6 control register
	15	13	P6.3		(P6CON). When configured for a secondary function, an
					external interrupt is allocated.
	22	20	P7.0	I/O	4-bit input-output port (port 7) :
					Select between input and output, between pull-down
	21	19	P7.1
					resistor input and high impedance input, and between
	20	18	P7.2
					open-drain output and CMOS output with the port 7 control
	19	17	P7.3		register (P7CON). When configured for a secondary
					function, an external interrupt is allocated.
Melody	25	23	MD0	O	Output pin of melody driver 0.
Drivers	24	22	MD0	O	Inverted output pin of MD0 output.
	26	24	MD1	O	Output pin of melody driver 1.
	27	25	MD1	O	Inverted output pin of MD1 output.
LCD	95	92	COM1	O	LCD common signal output pins.
Drivers
	94	91	COM2	O
	93	90	COM3	O
	92	89	COM4	O

7/26

¡ Semiconductor					MSM64155A/64155AL
Basic Functions (continued)
Function	Pin	Pad	Symbol	Type	Description
LCD	91	88	SEG0	O	LCD segment signal output pins.
Drivers
	90	87	SEG1	O
	89	86	SEG2	O
	88	85	SEG3	O
	87	84	SEG4	O
	86	83	SEG5	O
	85	82	SEG6	O
	84	81	SEG7	O
	83	80	SEG8	O
	82	79	SEG9	O
	81	78	SEG10	O
	80	77	SEG11	O
	79	76	SEG12	O
	78	75	SEG13	O
	77	74	SEG14	O
	76	73	SEG15	O
	75	72	SEG16	O
	74	71	SEG17	O
	73	70	SEG18	O
	72	69	SEG19	O
	71	68	SEG20	O
	70	67	SEG21	O
	69	66	SEG22	O
	68	65	SEG23	O
	67	64	SEG24	O
	66	63	SEG25	O
	65	62	SEG26	O
	64	61	SEG27	O
	63	60	SEG28	O
	62	59	SEG29	O
	61	58	SEG30	O
	60	57	SEG31	O
	59	56	SEG32	O
	58	55	SEG33	O
	57	54	SEG34	O
	56	53	SEG35	O
	55	52	SEG36	O
	54	51	SEG37	O
	53	50	SEG38	O
	52	49	SEG39	O

8/26