PSD4235G2V-10U STMICROELECTRONICS [STMicroelectronics], PSD4235G2V-10U Datasheet - Page 14

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

PSD4256G6V
Note: Signal names that have multiple names or functions are defined using PSDsoft.
14/100
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
PE4
PE5
PE6
PE7
PF0-PF7
PG0-PG7
V
GND
Pin Name
CC
75
76
77
78
31-38
21-28
9, 29,
69
8, 30,
49,
50, 70
Pin
I/O
CMOS
or
Open
Drain
I/O
CMOS
or
Open
Drain
I/O
CMOS
or
Open
Drain
I/O
CMOS
or
Open
Drain
I/O
CMOS
or
Open
Drain
I/O
CMOS
or
Open
Drain
Type
PE4 pin of Port E. This port pin can be configured to have the following functions:
1. MCU I/O – standard output or input port.
2. Latched address output.
3. TSTAT output for the JTAG Serial Interface.
4. Ready/Busy output for parallel In-System Programming (ISP).
PE5 pin of Port E. This port pin can be configured to have the following functions:
1. MCU I/O – standard output or input port.
2. Latched address output.
3. TERR active Low output for the JTAG Serial Interface.
PE6 pin of Port E. This port pin can be configured to have the following functions:
1. MCU I/O – standard output or input port.
2. Latched address output.
3. V
PE7 pin of Port E. This port pin can be configured to have the following functions:
1. MCU I/O – standard output or input port.
2. Latched address output.
3. Battery-on Indicator (V
These pins make up Port F. These port pins are configurable and can have the
following functions:
1. MCU I/O – standard output or input port.
2. External Chip Select (ECS0-ECS7) outputs, or inputs to CPLD.
3. Latched address outputs.
4. Address A1-A3 inputs in 80C51XA mode (PF0 is grounded)
5. Data bus port (D0-D7) in a non-multiplexed bus configuration.
6. Peripheral I/O mode.
7. MCU RESET Mode.
These pins make up Port G. These port pins are configurable and can have the
following functions:
1. MCU I/O – standard output or input port.
2. Latched address outputs.
3. Data bus port (D8-D15) in a non-multiplexed, 16-bit bus configuration.
4. MCU RESET Mode.
Supply Voltage
Ground pins
nal battery.
STBY
– SRAM standby voltage input for SRAM battery backup.
BATON
). Goes High when power is being drawn from the exter-
Description