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PDF MN101C49G Data sheet ( Hoja de datos )
| Número de pieza | MN101C49G | |
| Descripción | MICROCOMPUTER LSI User Manual | |
| Fabricantes | Panasonic | |
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MICROCOMPUTER
MN101C
MN101C49G/49H/49K/F49K/P49K
LSI User’s Manual
Pub.No.21449-041E
1 page  
Manual Configuration
Each section of this manual consists of a title, summary, main text, key information, precautions and warnings, and
references.
The layout and definition of each section are shown below.
Subtitle
Sub-subtitle
The smallest block
in this manual.
Main text
Key information
Important information
from the text.
Chapter 2 Basic CPU
2-8 Reset
2-8-1 Reset operation
The CPU contents are reset and registers are initialized when the NRST pin (P.27) is pulled to low.
Initiating a Reset
There are two methods to initiate a reset.
(1) Drive the NRST pin low for at least four clock cycles.
NRST pin should be holded "low" for more than 4 clock cycles (200 nS at a 20 MHz).
NRST pin
4 clock cycles
(200 nS at a 20 MHz)
Figure 2-8-1 Minimum Reset Pulse Width
(2) Setting the P2OUT7 flag of the P2OUT register to "0" outputs low level at P27 (NRST) pin. And
transfering to reset by program (software reset) can be executed. If the internal LSI is reset and
register is initiated, the P2OUT7 flag becomes "1" and reset is released.
[ Chapter 4. 4-4-2 Registers ]
On this LSI, the starting mode is NORMAL mode that high oscillation is the base clock.
When the power voltage low circuit is connected to NRST pin, circuit that gives pulse for
enough low level time at sudeen unconnected. And reset can be generated even if its pulse
is low level as the oscillation clock is under 4 clocks, take notice of noise.
II - 44 Reset
Summary
Introduction to the
section.
References
References for the
main text.
Precautions and
warnings
Precautions are listed
in case.
Be sure to read these
of lost functionality or
damage.
About This Manual 2
5 Page 
4-9-3 Block Diagram .................................................................................... IV - 42
4-10 Port 8 ..................................................................................................................... IV - 43
4-10-1 Description .......................................................................................... IV - 43
4-10-2 Registers .............................................................................................. IV - 44
4-10-3 Block Diagram .................................................................................... IV - 45
4-11 Port A .................................................................................................................... IV - 46
4-11-1 Description .......................................................................................... IV - 46
4-11-2 Registers .............................................................................................. IV - 47
4-11-3 Block Diagram .................................................................................... IV - 49
4-12 Port C .................................................................................................................... IV - 50
4-12-1 Description .......................................................................................... IV - 50
4-12-2 Registers .............................................................................................. IV - 51
4-12-3 Block Diagram .................................................................................... IV - 52
4-13 Port D .................................................................................................................... IV - 53
4-13-1 Description .......................................................................................... IV - 53
4-13-2 Registers .............................................................................................. IV - 54
4-13-3 Block Diagram .................................................................................... IV - 56
4-14 Real Time Output Control (Port 1) ...................................................................... IV - 57
4-14-1 Registers .............................................................................................. IV - 57
4-14-2 Operation ............................................................................................. IV - 58
4-15 Synchronous Output (Port D) ............................................................................... IV - 60
4-15-1 Block Diagram .................................................................................... IV - 60
4-15-2 Registers .............................................................................................. IV - 61
4-15-3 Operation ............................................................................................. IV - 62
4-15-4 Setup Example ..................................................................................... IV - 64
Chapter 5 Prescaler
5-1 Overview .................................................................................................................. V - 2
5-1-1 Peripheral Functions ............................................................................... V - 3
5-1-2 Block Diagram ....................................................................................... V - 4
5-2 Control Registers ..................................................................................................... V - 5
5-2-1 Registers List .......................................................................................... V - 5
5-2-2 Control Registers .................................................................................... V - 6
5-3 Operation ............................................................................................................... V - 12
5-3-1 Operation .............................................................................................. V - 12
5-3-2 Setup Example ...................................................................................... V - 13
Chapter 6 8-bit Timers
6-1 Overview ................................................................................................................. VI - 2
6-1-1 Functions ................................................................................................. VI - 2
6-1-2 Block Diagram ........................................................................................ VI - 3
v contents
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MN101C49G.PDF ] | |
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