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參數(shù)資料
| 型號： | MPD78C12AGFA-XXX-3BE |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 15 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 14 X 20 MM, 2.70 MM HEIGHT, PLASTIC, QFP-64 |
| 文件頁數(shù)： | 2/62頁 |
| 文件大?。?/td> | 617K |
| 代理商： | MPD78C12AGFA-XXX-3BE |
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PD78C10A(A), 78C11A(A), 78C12A(A)
8
1. PIN FUNCTIONS
1.1 Pin Function List
Pin name
PA7-0
(Port A)
PB7-0
(Port B)
PC0/TxD
PC1/RxD
PC2/SCK
PC3/INT2/TI
PC4/TO
PC5/CI
PC6/CO0
PC7/CO1
PD7-0/AD7-0
PF7-0/AB15-8
WR
(Write Strobe)
RD
(Read Strobe)
ALE
(Address Latch
Enable)
I/O
I/O or O
I/O or I
I/O or I/O
I/O or I or I
I/O or O
I/O or I
I/O or O
I/O or I/O
I/O or O
O
Function
Port A is an 8-bit I/O port for which the input or output mode can be specified bit-wise.
Port B is an 8-bit I/O port for which the input or output mode can be specified bit-wise.
Port C
When used as port C, it is an 8-bit I/O port for
which the input or output mode can be speci-
fied bit-wise.
Port D
When used as Port D, it is an 8-bit I/O port for
which the input or output mode can be speci-
fied byte-wise (
PD78C11A(A)).
Port F
When used as Port F, it is an 8-bit I/O port for
which the input or output mode can be speci-
fied bit-wise.
This is a strobe signal that is output for external memory write operations. It goes high
except during the external memory’s data write cycle. Output has high impedance when
the RESET signal is low or during hardware STOP mode.
This is a strobe signal that is output for external memory read operations. It goes high
except during the external memory’s data read cycle. Output has high impedance when
the RESET signal is low or during hardware STOP mode.
A strobe signal is used to externally latch the low-order address data output to PD0 to
PD7 for external memory access. Output has high impedance when the RESET signal
is low or during hardware STOP mode.
Transmit Data
When used for transmit data output, it is a
serial data output pin.
Receive Data
When used for receive data input, it is a
serial data input pin.
Serial Clock
When used for serial clock I/O, it is an
output pin for the internal clock or an input
pin for an external clock.
Interrupt Request/Timer Input
When used for interrupt request or timer
input, it is a falling-edge triggered maskable
interrupt input pin, or a timer input pin for
external clock input, or an AC-input, zero-
cross detection pin.
Timer Output
When used for timer output, it outputs a
square wave having a count time of one-
half cycle per internal clock cycle.
Counter Input
When used for counter input, it is an input
pin for external pulses to the timer/event
counter.
Counter Output0, 1
When used for counter outputs 0 and 1,
these pins output a programmable square
wave from the timer/event counter.
Address/Data Bus
When using external memory, it acts as a
multiplexed address/data bus.
Address Bus
When using external memory, it acts as an
address bus.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPD78C12AGF-XXX-3BE | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD78C12AGQ-XXX-36 | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD78C12AGQ-XXX-37 | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD78C12AL-XXX | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
| MPD78C14 | 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER |
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