參數(shù)資料
型號: PSD813F2A
廠商: 意法半導體
英文描述: Flash In-System Programmable(ISP) Peripherals For 8-bit MCUs(用于八位MCU的閃速在系統(tǒng)可編程外圍芯片)
中文描述: Flash在系統(tǒng)可編程(ISP)為周邊8位微控制器(用于八位微控制器的閃速在系統(tǒng)可編程外圍芯片)
文件頁數(shù): 54/103頁
文件大?。?/td> 1180K
代理商: PSD813F2A
PSD8XXF2/3/4/5
54/103
Ports A and B – Functionality and Structure
Ports A and B have similar functionality and struc-
ture, as shown in Figure 25. The two ports can be
configured to perform one or more of the following
functions:
I
MCU I/O Mode
I
CPLD Output – Macrocells McellAB7-McellAB0
can be connected to Port A or Port B. McellBC7-
McellBC0 can be connected to Port B or Port C.
I
CPLD Input – Via the Input Macrocells (IMC).
I
Latched Address output – Provide latched
address output as per Table 21.
I
Address In – Additional high address inputs
using the Input Macrocells (IMC).
I
Open Drain/Slew Rate – pins PA3-PA0 and
PB3-PB0 can be configured to fast slew rate,
pins PA7-PA4 and PB7-PB4 can be configured
to Open Drain Mode.
I
Data Port – Port A to D7-D0 for 8 bit non-
multiplexed bus
I
Multiplexed Address/Data port for certain types
of MCU bus interfaces.
I
Peripheral Mode – Port A only
Figure 25. Port A and Port B Structure
I
DATA OUT
REG.
D
Q
D
G
Q
D
Q
D
Q
WR
WR
WR
ADDRESS
MACROCELL OUTPUTS
ENABLE PRODUCT TERM (.OE)
ALE
READ MUX
P
D
B
CPLD-INPUT
CONTROL REG.
DIR REG.
INPUT
MACROCELL
ENABLE OUT
DATA IN
OUTPUT
SELECT
OMUX
A PORT
DATA OUT
ADDRESS
A[7:0] OR A[15:8]
AI02887
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PSD813F2A-12M 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs