DSM2150F5V STMicroelectronics, DSM2150F5V Datasheet - Page 45

• Manufacturer Part Number: DSM2150F5V
• Description: DSM (Digital Signal Processor System Memory) for Analog Devices DSPs (3.3V Supply)
• Manufacturer: STMicroelectronics

Port D – Functionality and Structure
Port D has four I/O pins. See Figure 20. Port D can
be configured to perform one or more of the follow-
ing functions:
Figure 20. Port D Structure
Port D pins can be configured in PSDsoft Ex-
press as input pins for other dedicated func-
tions:
MCU I/O Mode
CPLD Input – direct input to the CPLD, no
Input Macrocells (IMC)
WR
WR
DIR Register
READ MUX
DATA OUT
Register
D
D
P
D
B
Q
Q
DATA OUT
DATA IN
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.
Write High-Byte input (WRH, PD3) used for
some 16-bit DSP connections.
CPLD - INPUT
PORT D PIN
DSM2150F5V
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