參數(shù)資料
型號(hào): UPD7566AGA
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 6/58頁
文件大小: 471K
代理商: UPD7566AGA
μ
PD7566A, 7566A(A)
6
1. PIN FUNCTIONS
1.1 PORT FUNCTIONS
Pin
Name
Input/
Output
Shared
with:
I/O
Function
At Reset
Circuit
Type
P00
INT0
2-bit input port (PORT 0). P00 is also used to
input count clocks (event pulses).
S
Input
Input
P01
Vref
T
P10-P13
Input
Cin0 -
Cin3
4-bit input port (PORT 1)
Input
U
P80-P82
Output
-
3-bit output port (PORT 8). High-current
(15 mA), and medium-voltage (9V) output
High
impedance
O
P90, P91
Output
-
2-bit output port (PORT 9). High-current
(15 mA), and medium-voltage (9V) output
P100 -
P103
Input/
Output
-
4-bit I/O port (PORT 10). Medium-current
(10 mA), and medium-voltage (9V) I/O
High
impedance
or high-
level
output
P
P110-
P113
Input
Output
4-bit I/O port (PORT 11). Medium-current
(10 mA), and medium-voltage (9V) I/O
-
1.2 OTHER FUNCTIONS
Pin
Name
Input/
Output
Shared
with:
I/O
Function
At Reset
Circuit
Type
INT0
Input
P00
Edge-detecting testable input pin (rising edge)
Input
S
Comparator reference voltage input pin
(Whether this pin is used as P01 or as Vref is
specified by a mask option.)
Vref
Input
P01
Input
T
4-bit comparator input pins (Whether these
pins are used as digital input pins (P10 to P13)
or as comparator input pins (Cin0 to Cin3) is
specified by the mask option for each bit.
Cin0-Cin3
Input
P10-P13
Input
U
CL1
A ceramic oscillator is connected across
these pins.
CL2
System reset input pin (high-level active).
A pull-down resistor can be interconnected
to this pin by a mask option.
RESET
R
V
DD
Power pin
V
SS
GND pin
相關(guān)PDF資料
PDF描述
UPD7566A 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD7566AA 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD7566ACS 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD7566ACSA 4-BIT SINGLE-CHIP MICROCOMPUTER
UPD7566AG 4-BIT SINGLE-CHIP MICROCOMPUTER
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