參數(shù)資料
型號(hào): PSD4256G6
廠商: 意法半導(dǎo)體
英文描述: Current Mode PWM Controller 16-SOIC 0 to 70
中文描述: Flash在系統(tǒng)可編程ISP的周邊的16位微控制器
文件頁(yè)數(shù): 67/100頁(yè)
文件大?。?/td> 759K
代理商: PSD4256G6
67/100
PSD4256G6V
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
Port D – Functionality and Structure
Port D has four I/O pins. See Figure 30. Port D can
be configured to perform one or more of the follow-
ing functions:
I
MCU I/O mode
I
CPLD Input – direct input to the CPLD, no Input
Macrocells (IMC)
Port D pins can be configured in PSDsoft as in-
put pins for other dedicated functions:
I
Address Strobe (ALE/AS, PD0)
I
CLKIN (PD1) as input to the Macrocells Flip-
flops and APD counter
I
PSD Chip Select Input (CSI, PD2). Driving this
signal High disables the Flash memory, SRAM
and CSIOP.
I
WRITE-Enable High-byte (WRH, PD3) input, or
as DBE input from a MC68HC912.
Figure 30. Port D Structure
I
DATA OUT
Register
D
Q
D
Q
WR
WR
READ MUX
P
D
B
CPLD-INPUT
DIR Register
DATA IN
OUTPUT
SELECT
OUTPUT
MUX
PORT D PIN
DATA OUT
AI04937
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