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PSD4255G2V-12UII Datasheet(PDF) 2 Page - STMicroelectronics

Part # PSD4255G2V-12UII
Description  Flash In-System Programmable (ISP) Peripherals for 16-bit MCUs
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PSD4255G2V-12UII Datasheet(HTML) 2 Page - STMicroelectronics

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PSD4256G6V
2/100
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
TABLE OF CONTENTS
SUMMARY DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
In-System Programming (ISP) via JTAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PSDsoft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Logic Diagram (Figure 2.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Pin Names (Table 1.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
TQFP80 Connections (Figure 3.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
TQFP80 Pin Description (Table 2.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
PSD Block Diagram (Figure 4.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
PSD ARCHITECTURAL OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
PLDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
I/O Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
MCU Bus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
ISP via JTAG Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
PLD I/O (Table 3.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
JTAG Signals on Port E (Table 4.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
In-System Programming (ISP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
In-Application Programming (IAP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Page Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Methods of Programming Different Functional Blocks of the PSD (Table 5.) . . . . . . . . . . . . . . . . . 17
DEVELOPMENT SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PSDsoft Development Tool (Figure 5.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
PSD REGISTER DESCRIPTION AND ADDRESS OFFSETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Register Address Offset (Table 6.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
REGISTER BIT DEFINITION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Data-In Registers - Ports A, B, C, D, E, F, and G (Table 7.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Data-Out Registers - Ports A, B, C, D, E, F, and G (Table 8.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Direction Registers - Ports A, B, C, D, E, F, and G (Table 9.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Control Registers - Ports E, F, and G (Table 10.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Drive Registers - Ports A, B, D, E, and G (Table 11.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Enable-Out Registers - Ports A, B, C, and F (Table 12.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Input Macrocells - Ports A, B, and C (Table 13.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Output Macrocells A Register (Table 14.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Out Macrocells B Register (Table 15.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Mask Macrocells A Register (Table 16.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Mask Macrocells B Register (Table 17.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21


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