psd4235g2 STMicroelectronics, psd4235g2 Datasheet - Page 91

• Manufacturer Part Number: psd4235g2
• Description: Flash In-system Programmable Isp Peripherals For 16-bit Mcus 5v Supply
• Manufacturer: STMicroelectronics

PSD4235G2
Figure 29. Port D structure
20.23
Port E - functionality and structure
Port E can be configured to perform one or more of the following functions (see
●
●
●
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MCU I/O Mode
In-System Programming (ISP) - JTAG port can be enabled for programming/erase of
the PSD device. See
programming.
Open Drain - pins can be configured in Open Drain Mode
Latched Address output - Provide latched address output.
WR
WR
DIR Register
READ MUX
DATA OUT
Register
D
D
P
D
B
Q
Q
Figure 33: Reset (RESET) timing
DATA OUT
DATA IN
CPLD-INPUT
OUTPUT
OUTPUT
SELECT
MUX
for more information on JTAG
PORT D PIN
Figure
I/O ports
AI04937
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