PSD4235G2V-10U STMICROELECTRONICS [STMicroelectronics], PSD4235G2V-10U Datasheet - Page 68

• Manufacturer Part Number: PSD4235G2V-10U
• Description: Flash In-System Programmable (ISP) Peripherals for 16-bit MCUs
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

PSD4256G6V
Port E – Functionality and Structure
Port E can be configured to perform one or more
of the following functions (see Figure 31, page 69):
Port F – Functionality and Structure
Port F can be configured to perform one or more
of the following functions:
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This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
MCU I/O Mode
In-System Programming (ISP) – JTAG port can
be enabled for programming/erase of the PSD
device. (See the section entitled “RESET”, on
page 34, for more information on JTAG
programming.)
Open Drain – pins can be configured in Open
Drain Mode
Battery Backup features
– PE6 can be configured for a battery input sup-
– PE7 can be configured as a Battery-on Indi-
Latched Address output – Provide latched
address output.
MCU I/O Mode
CPLD Output – External Chip Select (ECS7-
ECS0) can be connected to Port F or Port C.
ply, Voltage Standby (V
cator (V
than V
BAT
BATON
.
), indicating when V
STBY
).
CC
is less
Port G – Functionality and Structure
Port G can be configured to perform one or more
of the following functions:
CPLD Input – direct input to the CPLD, no Input
Macrocells (IMC)
Latched Address output – Provide latched
address output as per Table 41, page 61.
Data Port – connected to D7-D0 when Port F is
configured as Data Port for a non-multiplexed
bus
Peripheral Mode
MCU RESET Mode – for 16-bit Motorola 683xx
and HC16 MCUs
MCU I/O Mode
Latched Address output – Provide latched
address output as per Table 41, page 61.
Open Drain – pins can be configured in Open
Drain Mode
Data Port – connected to D15-D8 when Port G
is configured as Data Port for a non-multiplexed
bus
MCU RESET Mode – for 16-bit Motorola 683xx
and HC16 MCUs