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M89141Y-90T1T Datasheet(PDF) 2 Page - STMicroelectronics |
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M89141Y-90T1T Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 7 page M89 FAMILY 2/7 Figure 2A. PLCC Connections AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 VCC AD7 AD6 AD5 AD4 PD2 PD1 PD0 PC7 PC6 PC5 PC4 VCC GND PC3 PC2 PC1 PC0 8 9 10 11 12 13 14 15 16 17 18 19 20 46 45 44 43 42 41 40 39 38 37 36 35 34 AI02857 Figure 2B. PQFP Connections 39 AD15 38 AD14 37 AD13 36 AD12 35 AD11 34 AD10 33 AD9 32 AD8 31 VCC 30 AD7 29 AD6 28 AD5 27 AD4 PD2 PD1 PD0 PC7 PC6 PC5 PC4 VCC GND PC3 PC2 PC1 PC0 1 2 3 4 5 6 7 8 9 10 11 12 13 AI02858 Table 2. Product Range1 Note: 1. All products support: JTAG serial ISP, MCU parallel ISP, ISP Flash memory, ISP GPLD, Security features, Power Management Unit (PMU), Automatic Power-down (APD) 2. SRAM may be backed up using an external battery. Part Number Primary Flash Memory Secondary NVM SRAM2 I/O Ports Voltage Range Access Time M8913F1Y 1 Mbit 256 Kbit EEPROM 16 Kbit 27 4.5-5.5 V 90 ns or 150 ns M8913F2Y 1 Mbit 256 Kbit Flash memory 16 Kbit 27 M8934F2Y 2 Mbit 256 Kbit Flash memory 64 Kbit 27 M8913F1W 1 Mbit 256 Kbit EEPROM 16 Kbit 27 2.7-3.6 V 150 ns M8913F2W 1 Mbit 256 Kbit Flash memory 16 Kbit 27 M8934F2W 2 Mbit 256 Kbit Flash memory 64 Kbit 27 DESCRIPTION The FLASH+PSD family of memory systems for microcontrollers (MCUs) brings In-System- Programmability (ISP) to Flash memory and programmable logic. The result is a simple and flexible solution for embedded designs. FLASH+PSD devices combine many of the peripheral functions found in MCU based applications. FLASH+PSD provides a glueless interface to most commonly-used ROMless MCUs. Table 2 summarizes all the devices in the M89 Family. The FLASH+PSD device includes a JTAG Serial Programming interface, to allow In-System Programming (ISP) of the entire device. This feature reduces development time, simplifies the manufacturing flow, and dramatically lowers the cost of field upgrades. Using ST’s special Fast- JTAG programming, a design can be rapidly programmed into the FLASH+PSD. The innovative FLASH+PSD family solves key problems faced by designers when managing discrete Flash memory devices, such as: – Complex address decoding – In-System (first-time) Programming (ISP) – Concurrent EEPROM or Flash memory programming (IAP). The JTAG Serial Interface block allows In-System Programming (ISP). Embedded dual-bank memories eliminates the need for an external Boot |
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