參數(shù)資料
型號(hào)： UPD78054Y
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit single-chip microcontroller
中文描述： 8位單片機(jī)
文件頁數(shù)： 11/62頁
文件大?。?/td> 576K
代理商： UPD78054Y
11
μ
PD78001B(A), 78002B(A)
A8 to A15
RD
WR
WAIT
ASTB
Input/
output
Port 5
8-bit input/output port.
LED can be driven directly.
Input/output can be specified bit-wise.
When used as an input port, pull-up resistor can be used by software.
P50 to P57
P60
P61
P62
P63
P64
P65
P66
P67
Input/
output
Port 6
8-bit input/output port.
Input/output can be specified
bit-wise.
When used as an input port, pull-up
resistor can be used by software.
N-ch open-drain input/output port. On-
chip pull-up resistor can be specified by
mask option.
LED can be driven directly.
Pin Name
I/O
Function
After
Reset
3.1
PORT PINS (2/2)
Dual-
Function Pin
Input
Input
Caution
When pull-up resistors are not used (specified by mask option), the low-level input leak current
increases with -200
μ
A (MAX.) under either of the following conditions.
1 When the external device expansion function is used and a low-level is input to the pin.
2 During the 3-clock period when a read instruction is executed on port 6 (P6) and the port mode
register (PM6).
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