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參數(shù)資料
| 型號： | TC93P27F |
| 廠商： | Toshiba Corporation |
| 英文描述： | TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic |
| 中文描述： | 東芝的CMOS數(shù)字集成電路硅單片 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大小： | 206K |
| 代理商： | TC93P27F |
TC93P27F
2002-11-18
6
Pin No.
Symbol
Pin Name
Function and Operation
Remarks
38~41
P1-0~P1-3
I/O port 1
The input and output of these 4-bit I/O ports can be
programmed in 1-bit units. This pin is capable of
outputting timing signals for the key matrix by
program.
It contains load resistance in N-ch, and can form
the matrix for a push-key needing no diode for the
key matrix.
By altering the input of I/O ports set to input, the
CLOCK STOP mode or the WAIT mode can be
released, and the MUTE bit of the MUTE pin can be
set to “1”.
42~45
P2-0/AD
IN1
P2-1/AD
IN2
P2-2/AD
IN3
P2-3/
DC-REF
I/O port 2
/AD analog
voltage input
/AD analog
voltage input
/AD analog
voltage input
/Reference
voltage input
4-bit I/O ports, allowing input and output to be
programmed in 1-bit units.
Pins P2-0 to P2-2 can also be used for analog input
to the built-in 6-bit, 3-channel A/D converter.
The conversion time of the built-in A/D converter
using the successive comparison method is 280 s.
The necessary pin can be programmed to AD
analog input in 1-bit units, and P2-3 can be set to
the reference voltage input. Internal power supply
(V
DD
) or constant voltage (V
EE
) can be used as the
reference voltage. So battery voltage, etc., can be
easily detected. The reference voltage input, for
which a built-in operational amp. is used, has high
impedance.
The A/D converter and all associated controls are
performed via software.
46~49
P3-0/SI
P3-1/SO
P3-2/
SCK
P3-3/BUZR
I/O port 3
/Serial data input
/Serial data output
/Serial clock I/O
/Buzzer output
4-bit I/O ports, allowing input and output to be
programmed in 1-bit units. Pins P3-0 to P3-2 can
also be used for the I/O terminals of serial interface
circuits (SIO).
SIO functions for 4-bit or 8-bit serial data inputs
from the SI pin and outputs from the SO pin at the
SCK
pin clock edge.
The clock for serial operation (
SCK
) is capable of
internal/external options and rise/fall shift options.
The SO pin is also capable of switching to serial
inputs (SI), facilitating the control of various LSI’s
and communication between controllers. All SIO
inputs use built-in Schmitt circuits.
P3-3 pins also functions as the output for a built-in
buzzer. The buzzer output can select 8 kinds of
0.625 to 3 kHz frequencies with 4 modes:
continuous output, single-shot output, 10-Hz
intermittent output, and 10-Hz intermittent 1-Hz
interval output.
SIO, buzzer, and all associated controls can be
programmed.
R
ON
Input
instructio
n
To A/D converter
Input
instructio
n
(excluding P3-3 pins)
SIO ON
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