參數(shù)資料
型號(hào): uPSD3234BV-40U6T
廠商: 意法半導(dǎo)體
英文描述: Flash Programmable System Devices with 8032 Microcontroller Core
中文描述: 閃存可編程系統(tǒng)設(shè)備與8032微控制器內(nèi)核
文件頁數(shù): 126/170頁
文件大?。?/td> 2717K
代理商: UPSD3234BV-40U6T
uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
126/170
Port D – Functionality and Structure
Port D has two I/O pins (only one pin, PD1, in the
52-pin package). See Figure
67
and
Figure
68., page 127
. This port does not support Address
Out Mode, and therefore no Control Register is re-
quired. Of the eight bits in the Port D registers,
only Bits 2 and 1 are used to configure pins PD2
and PD1.
Port D can be configured to perform one or more
of the following functions:
MCU I/O Mode
CPLD Output – External Chip Select (ECS1-
ECS2)
CPLD Input – direct input to the CPLD, no
Input Macrocells (IMC)
Slew rate – pins can be set up for fast slew
rate
Port D pins can be configured in PSDsoft Express
as input pins for other dedicated functions:
CLKIN (PD1) as input to the macrocells flip-
flops and APD counter
PSD Chip Select Input (CSI, PD2). Driving this
signal High disables the Flash memory, SRAM
and CSIOP.
Figure 67. Port D Structure
M
DATA OUT
REG.
D
Q
D
Q
WR
WR
ECS[2:1]
READ MUX
P
D
B
CPLD-INPUT
DIR REG.
DATA IN
ENABLE PRODUCT
TERM (.OE)
OUTPUT
SELECT
OUTPUT
MUX
PORT D PIN
DATA OUT
AI06606
相關(guān)PDF資料
PDF描述
uPSD3234 Flash Programmable System Device with 8032 Microcontroller Core(嵌入高速“8032微控制器核”的Flash型可編程系統(tǒng)器)
uPSD3251(中文) Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的Flash可編程系統(tǒng)設(shè)備)
uPSD3251 Flash Programmable System Devices with 8032 Microcontroller Core(帶8032微控制器內(nèi)核的Flash可編程系統(tǒng)設(shè)備)
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