參數(shù)資料
型號(hào)： MSM64P155L-XXXGS-BK
廠商： OKI ELECTRIC INDUSTRY CO LTD
元件分類： 微控制器/微處理器
英文描述： 4-BIT, OTPROM, 0.032768 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁(yè)數(shù)： 1/24頁(yè)
文件大?。?/td> 195K
代理商： MSM64P155L-XXXGS-BK
MSM64P155L
Semiconductor
1/23
GENERAL DESCRIPTION
The MSM64P155L is a one-time-programmable ROM version product, which has one-time
PROM (OTP) as internal program memory. On the other hand, the MSM64155AL is a mask
ROM-version product, which has mask ROM as internal program memory.
UnlikethemaskROM-versionMSM64155ALwhichhasaP-wellCMOSstructure,theMSM64P155L
has been fabricated with the N-well CMOS-structured EPROM process technology.
Therefore, the MSM64P155L differs from the MSM64155AL in the polarity of the power supply
for LCD bias generation and in the external circuit structure.
Unlike the mask ROM-version product, the MSM64P155L cannot be supplied in the form of a
chip. The MSM64P155L is an OTP-version product used to evaluate an application program.
The MSM64P155L has two operation modes, microcontroller operation mode and PROM mode.
The microcontroller operation mode is used to operate the MSM64P155L like a mask ROM-
version product and the PROM mode is used to program or read the PROM.
FEATURES
Operating range
Operating voltage (mask option) : 3.0 V
Operating frequency
: 32.768 kHz crystal oscillation
Approx. 32 kHz RC oscillation
Minimum instruction execution time : 91 ms
General memory space
: 4064 bytes (PROM)
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
Input-output port
: 2 ports 4 bits (open-drain output/CMOS output
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
Capture circuits
: 2 channels
256 Hz, 128 Hz, 64 Hz, 32 Hz
Semiconductor
MSM64P155L
4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit
E2E0054-29-41
This version: Apr. 1999
Previous version: Sep. 1998
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