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PDF MSM64164C Data sheet ( Hoja de datos )
| Número de pieza | MSM64164C | |
| Descripción | 4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver | |
| Fabricantes | OKI electronic componets | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MSM64164C (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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E2E0035-38-94
¡ Semiconductor¡ Semiconductor
This versionM: SSeMp6. 41196984C
Previous version: Apr. 1998
MSM64164C
4-Bit Microcontroller with Built-in RC Oscillation Type A/D Converter and LCD Driver
GENERAL DESCRIPTION
The MSM64164C is a low power 4-bit microcontroller that employs Oki's original CPU core nX-
4/20.
The MSM64164C is best suitable for applications such as low power, high precision thermome-
ters and hygrometers.
The MSM64P164 is a one-time-programmable ROM-version product having one-time PROM
(OTP) as internal program memory.
The MSM64P164 is used to evaluate the software development.
The MSM64P164 differs from the MSM64164C in the polarity of the power supply.
FEATURES
• Operating range
Operating frequencies
: 32.768 kHz, 400 kHz
Operating voltage
: 1.25 to 1.7 V (1.5 V spec.)
2.0 to 3.5 V (3 V spec.)
2.2 to 3.5 V (3 V spec., 1/2 duty)
Operating temperature
: –40 to +85°C
• Memory space
Internal program memory
: 4064 bytes
Internal data memory
: 256 nibbles
• Minimum instruction execution time : 7.5 ms @ 400 kHz
91.6 ms @ 32.768 kHz
• RC oscillation type A/D converter : 2 channels
Time dividing 2-channel method
• Serial port
: Synchronous 8-bit transfer
• LCD driver
: 34 outputs; duty ratio switchable by software
(1) At 1/4 duty and 1/3 bias
: 120 segments (max)
(2) At 1/3 duty and 1/3 bias
: 93 segments (max)
(3) At 1/2 duty and 1/2 bias
: 64 segments (max)
• Buzzer driver
: 1 output (4 output modes selectable)
• Capture circuit
: 2 channels
• Watchdog timer
• Clock
: 32.768 kHz crystal oscillator and 400 kHz RC
oscillator (with an external resistor)
CPU clock
: 32.768 kHz/400 kHz (switchable by software)
Time base clock
: 32.768 kHz
• Power supply voltage
: 1.5 V/3 V (selectable by mask option)
• I/O port
Input-output port
: 3 ports ¥ 4 bits
Input port
: 1 port ¥ 4 bits
Output port
: 1 port ¥ 4 bits
(8 out of the 34 LCD driver outputs can be used
as output-only ports by mask option.)
1/41
1 page  
¡ Semiconductor
PIN CONFIGURATION (TOP VIEW) (continued)
MSM64164C
L2 1
L3 2
L4 3
L5 4
L6 5
L7 6
L8 7
L9 8
L10 9
L11 10
L12 11
L13 12
L14 13
L15 14
L16 15
P2.0 16
P2.1 17
P2.2 18
P2.3 19
P3.0 20
60 L31/P6.1
59 L30/P6.0
58 L29/P5.3
57 L28/P5.2
56 L27/P5.1
55 L26/P5.0
54 L25
53 L24
52 L23
51 L22
50 L21
49 L20
48 L19
47 L18
46 L17
45 C2
44 C1
43 VSS3
42 VSS2
41 VSS
(QFP80-P-1414-0.65-K)
80-Pin Plastic QFP
5/41
5 Page 
¡ Semiconductor
MEMORY MAPS
Program Memory
Test program area
00FFEF0FHH,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 32 bytes
MSM64164C
4064 bytes
03EH
020H
010H
Interrupt area
CZP area
03BH
038H
035H
032H
02FH
02CH
029H
026H
023H
020H
Contents of interrupt area
Watchdog interrupt
External interrupt (0)
Serial port interrupt
External interrupt (1)
ADC interrupt
256 Hz interrupt
32 Hz interrupt
16 Hz interrupt
1 Hz interrupt
0.1 Hz interrupt
000H
Start address
8 bits
Program Memory Map
Address 000H is the instruction execution start address by the system reset.
The CZP area from address 010H to address 01FH is the start address for the CZP subroutine of
1-byte call instruction.
The start address of interrupt subroutine is assigned to the interrupt address from address 020H
to 03DH.
The user area has 4064 bytes of address 000H to address 0FDF. No program can be stored in the
test program area.
11/41
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MSM64164C.PDF ] | |
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