參數(shù)資料
型號(hào)： PSD211RL
廠商： 意法半導(dǎo)體
英文描述： Low Cost Field Programmable Microcontroller Peripherals
中文描述： 低成本現(xiàn)場(chǎng)可編程微控制器外圍設(shè)備
文件頁(yè)數(shù)： 11/51頁(yè)
文件大?。?/td> 348K
代理商： PSD211RL
Table 1.
PSD211R Pin
Descriptions
(cont.)
PSD211R Famly
8
Name
Type
Description
These pins make up Port C. These port pins are configurable, and
can have the following functions (see Figure 7):
1. PAD input—when configured as an input, a bit individually
becomes an address or a logic input, depending on your PSDsoft
design file. When declared as an address, the bits are latched
with ALE/AS.
2. PAD output—when configured as an output (i.e. there is an
equation written for it in your PSDsoft design file), there is one
product term available to it.
PC0
PC1
PC2
I/O
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
These pins are the multiplexed, low-order address/data byte
(AD0-AD7). As inputs, address information is latched by the ALE/AS
signal and used internally by the PSD. The pins also serve as MCU
data bus inputs or outputs, depending on the MCU control signals
(RD, WR, etc.).
I/O
A8
A9
A10
A11
A12
A13
A14
A15
I/O
These pins are the high-order address inputs (A8-A15).
GND
P
Ground Pin
V
CC
P
Supply voltage input.
Legend:
The Type column abbreviations are: I = input only; I/O = input/output; P = power.
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