參數(shù)資料
型號: DSM2150F5V-12T6
廠商: 意法半導(dǎo)體
元件分類: 數(shù)字信號處理
英文描述: DSM (Digital Signal Processor System Memory) for Analog Devices DSPs (3.3V Supply)
中文描述: 帝斯曼(數(shù)字信號處理器系統(tǒng)內(nèi)存)的ADI公司的DSP(3.3V電源)
文件頁數(shù): 44/73頁
文件大?。?/td> 1067K
代理商: DSM2150F5V-12T6
DSM2150F5V
44/73
Ports A, B, and C
Functionality and Structure
Ports A and B have similar functionality and struc-
ture, as shown in Figure
19
. The two ports can be
configured to perform one or more of the following
functions:
MCU I/O Mode
CPLD Output
Macrocells McellA7-McellA0
can be connected to Port A. McellB7-McellB0
can be connected to Port B.
I
I
I
DPLD Output - External Chip Select (ECS7-
ECS0) can be connected to Port C.
CPLD Input
Via the Input Macrocells (IMC).
Open Drain/Slew Rate
pins PC7-PC0 can be
configured to fast slew rate. Pins PA7-PA0,
PB7-PB0, and PG7-PB0 and can be
configured to Open Drain Mode.
I
I
Figure 19. Port A, B, and C Structure
I
DATA OUT
Register
D
Q
D
Q
WR
WR
MCELLA7-MCELLA0 (Port A)
MCELLB7-MCELLB0 (Port B)
Ext.CS (Port C)
ENABLE PRODUCT TERM (.OE)
READ MUX
P
D
B
CPLD-INPUT
DIR Register
INPUT
MACROCELL
ENABLE OUT
DATA IN
OUTPUT
MUX
PORT Pin
DATA OUT
AI04936B
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