參數(shù)資料
型號(hào)： MSM64P155L
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： 4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit(機(jī)內(nèi)LCD驅(qū)動(dòng)器的4位微控制器)
中文描述： 4內(nèi)置LCD驅(qū)動(dòng)電路的旋律（機(jī)內(nèi)液晶顯示驅(qū)動(dòng)器的4位微控制器位微控制器）
文件頁(yè)數(shù)： 1/29頁(yè)
文件大?。?/td> 181K
代理商： MSM64P155L
This version: Sep. 1998
Semiconductor
MSM64P155/64P155L
1/29
GENERAL DESCRIPTION
The MSM64P155 (1.5 V)/64P155L (3.0 V) is a one-time-programmable ROM version product,
which has one-time PROM (OTP) as internal program memory. On the other hand, the
MSM64155 is a mask ROM-version product, which has mask ROM as internal program memory.
Unlike the mask ROM-version MSM64155 which has a P-well CMOS structure, the MSM64P155/
64P155L has been fabricated with the N-well CMOS-structured EPROM process technology.
Therefore, the MSM64P155/64P155L differs from the MSM64155 in the polarity of the power
supply for LCD bias generation and in the external circuit structure.
Unlike the mask ROM-version product, the MSM64P155/64P155L cannot be supplied in the
form of a chip. The MSM64P155/64P155L is an OTP-version product used to evaluate an
application program.
The MSM64P155/64P155L has two operation modes, microcontroller operation mode and
PROM mode. The microcontroller operation mode is used to operate the MSM64P155/64P155L
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) : 1.5 V/3.0 V
Operating frequency
: 32.768 kHz crystal oscillation
Approx. 32 kHz RC oscillation
: 91
m
s
: 4064 bytes (PROM)
: 256 nibbles
: 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)
Minimum instruction execution time
General memory space
Local memory space
LCD driver
I/O port
Input-output port
: 2 ports
￥
4 bits (open-drain output/CMOS output
selectable; pull-down resistor input/high-impedance
input selectable)
: 1 port
￥
2 bits (pull-down resistor input/high-impedance
input selectable)
1 port
￥
4 bits (pull-down resistor input/high-impedance
input selectable)
: 1 port
￥
4 bits (CMOS output)
: 1 channel
: 2
: 2 channels
256 Hz, 128 Hz, 64 Hz, 32 Hz
Input port
Output port
Event counter
Melody output
Capture circuits
4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit
E2E0050-18-95
Peimnay
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