MYSON MTU413 Datasheet
MYSON
TECHNOLOGY
MTU413
4-Bit Micro-Controller with EPROM, 1K Word
This datasheet contains new product i nformation. MYSON Technology res erves the rights to modify t he product specification without
notice. No liability is assumed as a result of the use of this product . No rights under any patent accompany the s ale of the product.
MTU413 Revision 3.2 04/21/1998
1/9
FEATURES
Very low current dissipation.
Wide operating voltage range.
Supports both Ag and Li batteries.
Powerful instruction set.
4-level subroutine nesting (including interrupt).
4 event-driven interrupts, 2 external and 2 internal.
ROM size: 1024 x 15 bits.
RAM size: 64 x 4 bits.
Input ports: 2 ports/ 8 pins (S and M).
Output port: 1 port/ 4 pins (P).
Pseudo serial output port (P).
Input/Output ports: 2 ports/ 8 pins (I/OA and I/OB).
Control outputs: ALARM, LIGHT.
LCD driver outputs (can drive up to 75 LCD segments).
PROM option to select 4 LCD drive modes: static, duplex (1/2 duty 1/2 bias, 1/3 duty 1/2 bias or 1/3 duty 1/3
bias).
PROM option permits LCD driver output pins to be used for DC output ports; up to 25 pins are available.
Segment PLA circuit permits any layout on LCD panel.
Built-in clock generator (crystal or RC).
Built-in voltage doubler, halver, tripler.
Endurance : More then 100 write cycles/word.
Security bit for read/write protection.
GENERAL DESCRIPTION
The MTU413 is an EEPROM-equipped high-performance 4-bit microcomputer.
It contains not only all functions compatible with MTU410, but also an EEPROM , providing customers such
conveniences as on-board verification, customized code, small quantity sample production, etc.
This chip especially provides a security bit to protect the customer’s code.
MYSON
TECHNOLOGY
MTU413
MTU413 Revision 3.2 04/21/1998
2/9
BLOCK DIAGRAM
1.0 PACKAGE INFORMATION
Package type 68Pin PLCC
MTU 413
S3S4LIGHT
ALARM
VDD2
VDD
VDD1
GND
VDD3
COM2
COM3
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
M4
TEST A
CUP1
CUP2
S2
S1
OSCIN
CAP
OSCOUT
COM1
SEG1
SEG2
SEG3
SEG4
SEG5
IOA1
IOA2
IOA3
IOA4
IOB1
IOB2
IOB3
IOB4
RESET
INT
P1
P2
P3
P4
M1
M2
M3
10
15
20
25
30 35 40
45
50
55
60
6568015
BIDIRECTION
I/O PORT
OUTPUT
PORT
INPUT
PORT
OSCILLATOR
6-BIT PRESET
TIMER
ALU
RAM 64 X 4 BITS
LCD DRiVER
SEGMENT PLA
PRE-DIVIDER
CONTROL
CIRCUIT
4-LEVEL STACK
INSTRUCTION
DECODER
10-BIT PROGRAM
COUNTER
PROM
1024 X 15 BITS
4-BIT DATA BUS
VDD1~3
SEG1~25
COM 1~3M1~4
S1~4
ALARM
LIGHT
P1~4
I/O
B1~4
I/O
A1~4
OSC
IN
OSC
OUT
CUP 1
CUP 2
RESET
INT
MYSON
TECHNOLOGY
MTU413
MTU413 Revision 3.2 04/21/1998
3/9
2.0 PIN/PAD ASSIGNMENT
Unit: um
Pin
No.
Name
Pin
No.
Name
Pin
No.
Name
Pin
No.
Name
1 VSS 18 RESET 35 OSCIN 52 SEG14
2 ------ 19 INT 36 CAP 53 SEG15
3 VDD1 20 P1 37 OSCOUT 54 SEG16
4 VDD 21 P2 38 COM1 55 SEG17
5 VDD2 22 P3 39 SEG1 56 SEG18
6 ALARM 23 P4 40 SEG2 57 SEG19
7 LIGHT 24 M1 41 SEG3 58 SEG20
8 S4 25 M2 42 SEG4 59 SEG21
9 S3 26 M3 43 SEG5 60 SEG22
10 IOA1 27 M4 44 SEG6 61 -----11 IOA2 28 ------ 45 SEG7 62 -----12 IOA3 29 ------ 46 SEG8 63 SEG23
13 IOA4 30 TESTA 47 SEG9 64 SEG24
14 IOB1 31 CUP1 48 SEG10 65 SEG25
15 IOB2 32 CUP2 49 SEG11 66 COM3
16 IOB3 33 S2 50 SEG12 67 COM2
17 IOB4 34 S1 51 SEG13 68 VDD3
3.0 PIN NAME DESCRIPTION
Name T ype Description
OSCIN I Typical crystal(32.768KHz) is connected across
OSCOUT O OSCIN/OSCOUT for oscillation; R/C oscillation mode is also available.
S1 - 4 I Input ports with chattering eliminator option for
M1 - 4 I CK10 (32ms), CK8 (8ms) & CK6 (2ms).
P1 - 4 O Output ports.
IOA1 - 4 I/O Input/Output ports.
IOB1 - 4 I/O Input/Output ports.
INT I External interrupt request control input pin.
RESET I System reset pin.
LIGHT O Output only for outputting the signal to drive the transistor for light.
ALARM O Output only for outputting the 4kHz/2kHz/1kHz modulation signal.
Also can be used to output the non-modulation signal.
VDD
VDD1
(+)Power supply pin.
* For Ag version, apply (+) side to VDD & VDD1 together.
VDD2 For other than Ag version, apply (+) side to VDD & VDD2 together.
VDD3 Power supply pin for LCD driver power supply.
VSS (--)Power supply pin.
CUP1 - 2 O Pins for connecting the voltage step-up (step-down) capacitor.
COM1 - 3 O Output pins for LCD panel common plate.
SEG1 - 25 O Output pins for LCD panel segments.
Loading...