PSD935G2-90U STMicroelectronics, PSD935G2-90U Datasheet - Page 11

• Manufacturer Part Number: PSD935G2-90U
• Manufacturer: STMicroelectronics

Specifications of PSD935G2-90U

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Package Type: TQFP
• Mounting: Surface Mount
• Pin Count: 80
• Lead Free Status / RoHS Status: Compliant

Table 5.
PSD935G2
Pin
Descriptions
(cont.)
10
PSD9XX Family
PE3
PE4
PE5
PE6
PE7
PF0-PF7
PG0-PG7 21-28
GND
V
Pin Name Pkg.)
CC
49,50,
(TQFP
31-38
8,30,
9,29,
Pin*
74
75
76
77
78
70
69
or Open 1. MCU I/O — standard output or input port.
or Open 1. MCU I/O — standard output or input port.
or Open 1. MCU I/O — standard output or input port.
or Open 1. MCU I/O — standard output or input port.
or Open 1. MCU I/O — standard output or input port.
or Open 1. MCU I/O — standard output or input port.
or Open 1. MCU I/O — standard output or input port.
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
Drain
Drain
Drain
Drain
Drain
Drain
Drain
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Port E, PE3. This port is pin configurable and has multiple
functions:
2. Latched address output.
3. TDO output for JTAG/ISP interface.
Port E, PE4. This port is pin configurable and has multiple
functions:
2. Latched address output.
3. TSTAT output for the ISP interface.
4. Rdy/Bsy — for in-circuit Parallel Programming.
Port E, PE5. This port is pin configurable and has multiple
functions:
2. Latched address output.
3. TERR active low output for ISP interface.
Port E, PE6. This port is pin configurable and has multiple
functions:
2. Latched address output.
3. Vstby — SRAM standby voltage input for battery
Port E, PE7. This port is pin configurable and has multiple
functions:
2. Latched address output.
3. Vbaton — battery backup indicator output. Goes high when
Port F, PF0-7. This port is pin configurable and has multiple
functions:
2. Input to the PLD.
3. Latched address outputs.
4. As address A0-3 inputs in 80C51XA mode
5. As data bus port (D0-7) in non-multiplexed bus configuration
Port G, PG0-7. This port is pin configurable and has multiple
functions:
2. Latched address outputs.
backup SRAM
power is drawn from an external battery.
Description
PSD935G2