PSD411A1-C-15L View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
PSD411A1-C-15L Datasheet PDF : 123 Pages
| |||
8.0
Table 2.
PSD4XX Pin
Descriptions
(Cont.)
Pin Name
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
Vstdby
Pin Function
Port PE, pin 0
1. BHE
2. PSEN
3. WRH
4. UDS
5. SIZ0
6. PE0
7. PE0
8. PE0
Port PE, pin 1
1. ALE
2. PE1
3. PE1
4. PE1
Port PE, pin 2
1. PE2
2. PE2
3. PE2
Port PE, pin 3
1. PE3
2. PE3
3. PE3
Port PE, pin 4
1. PE4
2. PE4
3. PE4
Port PE, pin 5
1. PE5
2. PE5
3. PE5
Port PE, pin 6
1. PE6
2. PE6
3. PE6
Port PE, pin 7
1. APD CLK
2. PE7
3. PE7
4. PE7
Vstdby
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
VCC
VCC
I
GND
GND
I
*Available only in PSD4XXA2 and ZPSD4XXA2 Series.
PSD4XX Family
Function Descriptions
Multiple functions
1. High byte enable, 16 bit data
2. Read program memory, 8031 signal
3. Write high data byte
4. Upper Data Strobe
5. Byte enable, 68300 signal
6. I/O pin
7. ZPLD I/O pin
8. Latched Address Out – A0
Multiple functions
1. Address strobe
2. I/O pin
3. ZPLD I/O pin
4. Latched Address Out – A1
Multiple functions
1. I/O pin
2. ZPLD I/O pin*
3. Latched Address Out – A2
Multiple functions
1. I/O pin
2. ZPLD I/O pin*
3. Latched Address Out – A3
Multiple functions
1. I/O pin
2. ZPLD I/O pin*
3. Latched Address Out – A4
Multiple functions
1. I/O pin
2. ZPLD I/O pin*
3. Latched Address Out – A5
Multiple functions
1. I/O pin
2. ZPLD I/O pin*
3. Latched Address Out – A6
Multiple functions
1. Automatic Power Down Clock Input
2. I/O pin
3. ZPLD I/O pin*
4. Latched Address Out – A7
SRAM power pin for standby
operation (battery backup)
VCC power pin
Ground pin
9
Share Link: 