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UPSD3253A-40T1 Datasheet(PDF) 8 Page - STMicroelectronics

Part # UPSD3253A-40T1
Description  Flash Programmable System Devices with 8032 Microcontroller Core and 256Kbit SRAM
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD3253A-40T1 Datasheet(HTML) 8 Page - STMicroelectronics

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µPSD325X DEVICES
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Product Term Allocator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
CPLD Output Macrocell (Figure 61.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Input Macrocells (IMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Input Macrocell (Figure 62.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
I/O PORTS (PSD MODULE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
General Port Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
General I/O Port Architecture (Figure 63.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Port Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
MCU I/O Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
PLD I/O Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Address Out Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Peripheral I/O Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
JTAG In-System Programming (ISP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Peripheral I/O Mode (Figure 64.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Port Operating Modes (Table 92.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Port Operating Mode Settings (Table 93.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
I/O Port Latched Address Output Assignments (Table 94.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Port Configuration Registers (PCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Port Configuration Registers (PCR) (Table 95.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Port Pin Direction Control, Output Enable P.T. Not Defined (Table 96.) . . . . . . . . . . . . . . . . . . . . 130
Port Pin Direction Control, Output Enable P.T. Defined (Table 97.) . . . . . . . . . . . . . . . . . . . . . . . 130
Port Direction Assignment Example (Table 98.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Port Data Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Drive Register Pin Assignment (Table 99.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Ports A and B – Functionality and Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Port A and Port B Structure (Figure 65.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Port C – Functionality and Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Port C Structure (Figure 66.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Port D – Functionality and Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Port D Structure (Figure 67.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
External Chip Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Port D External Chip Select Signals (Figure 68.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
POWER MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
APD Unit (Figure 69.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Enable Power-down Flow Chart (Figure 70.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Power-down Mode’s Effect on Ports (Table 101.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
PLD Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
PSD Chip Select Input (CSI, PD2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Input Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Input Control Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Power Management Mode Registers PMMR01 (Table 102.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Power Management Mode Registers PMMR21 (Table 103.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
APD Counter Operation (Table 104.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139


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