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M88 Datasheet, PDF (1/7 Pages) STMicroelectronics – In-System Programmable ISP Multiple-Memory and Logic FLASHPSD Systems with CPLD for MCUs | |||
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M88 FAMILY
In-System Programmable (ISP) Multiple-Memory and
Logic FLASH+PSD Systems (with CPLD) for MCUs
DATA BRIEFING
s Single Supply Voltage:
â 5 V±10% for M88xxFxY
â 3 V (+20/â10%) for M88xxFxW
s 1 or 2 Mbit of Primary Flash Memory (8 uniform
sectors, 16K x 8, or 32K x 8)
s A second non-volatile memory:
â 256 Kbit (32K x 8) EEPROM (for M8813F1x)
or Flash memory (for M88x3F2x)
â 4 uniform sectors (8K x 8)
s SRAM (16 Kbit, 2K x 8; or 64 Kbit, 8K x 8)
s Over 3,000 Gates of PLD: DPLD and CPLD
s 27 Reconfigurable I/O ports
s Enhanced JTAG Serial Port
s Programmable power management
s Stand-by current:
â 50 µA for M88xxFxY
â 25 µA for M88xxFxW
s High Endurance:
â 100,000 Erase/Write Cycles of Flash Memory
â 10,000 Erase/Write Cycles of EEPROM
â 1,000 Erase/Write Cycles of PLD
DESCRIPTION
The FLASH+PSD family of memory systems for
microcontrollers (MCUs) brings In-System-
Table 1. Signal Names
PA0-PA7
Port-A
PB0-PB7
Port-B
PC0-PC7
Port-C
PC2 = Voltage Stand-by
PD0-PD2
AD0-AD15
Port-D
Address/Data
CNTL0-CNTL2
RESET
Control
Reset
VCC
Supply Voltage
VSS
Ground
PQFP52 (T)
PLCC52 (K)
Figure 1. Logic Diagram
VCC
8
PA0-PA7
3
CNTL0-
CNTL2
16
AD0-AD15
FLASH+PSD
8
PB0-PB7
8
PC0-PC7
RESET
3
PD0-PD2
VSS
AI02856
June 2000
1/7
Complete data available on Data-on-Disc CD-ROM or at www.st.com
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