參數(shù)資料
型號： UPD17207GF
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS
中文描述： 4位單片機與LCD控制器/驅(qū)動器和A / D轉(zhuǎn)換器紅外遙控遞質(zhì)
文件頁數(shù)： 10/120頁
文件大?。?/td> 516K
代理商： UPD17207GF
μ
PD17201A, 17207
10
(cont’d)
Pin No.
Symbol
Function
Output Type
On Reset
58
59
60
P1A
0
/SCK
P1A
1
/SO
P1A
2
/SI
Port 1A or serial interface.
Port 1A and serial interface are switched by SIOEN of the register file.
P1A
0
to P1A
2
CMOS,
push-pull
Input
3-bit I/O port
Enabling setting of inputs or outputs of 3 bits
(Grouped I/O).
SCK, SO, SI
SCK: Serial clock I/O
SO : Serial data output
: Serial data input
SI
61
REM
Signal output to an infrared remote controller.
Active-high output.
CMOS,
push-pull
Low-level
output
62
V
DD
Positive power supply
–
–
63
64
X
IN
X
OUT
These pins are connected to a 4-MHz ceramic or crystal oscillator
for main clock oscillation.
–
(Oscillation
stops)
65
RESET
System reset input.
System is reset when low level is input to this pin.
While this pin is low, oscillation of main clock is stopped.
A pull-up resistor can be connected by mask option.
–
Input
66
V
REG
Output of the voltage regulator for the subclock oscillation circuit.
Connect external 0.1-
μ
F capacitor to this pin when using the
subclock.
–
–
67
WDOUT
Output for detection of a program overrun.
This pin outputs a low level when an overflow in the watchdog timer
or an overflow/underflow in the stack is detected.
Connect this pin to the RESET pin
N-ch
High-
open drain
impedance
68
69
XT
IN
XT
OUT
These pins are connected to a 32.768-kHz crystal oscillator for
subclock oscillation.
–
(Oscillates)
71
V
LCDC
Input to regulate the reference voltage to LCD driver.
–
–
70
72
73
V
LCD0
V
LCD1
V
LCD2
Reference voltage outputs to LCD driver.
V
LCD0
: Reference voltage output
V
LCD1
: Doubler output (Two times the reference voltage)
V
LCD2
: Tripler output (Three times the reference voltage)
–
–
74
75
CAPH
CAPL
These pins are connected to a capacitor to boost the LCD drive
voltage.
–
–
相關(guān)PDF資料
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