SST89E554RC-40-C-NJ Microchip Technology, SST89E554RC-40-C-NJ Datasheet - Page 83
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SST89E554RC-40-C-NJ
Manufacturer Part Number
SST89E554RC-40-C-NJ
Description
8-bit Microcontrollers - MCU 32KB+8KB 40ns
Manufacturer
Microchip Technology
Datasheet
1.SST89E564RD-40-I-NJE.pdf
(90 pages)
Specifications of SST89E554RC-40-C-NJ
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
40 MHz
Program Memory Size
32 KB
Data Ram Size
1 KB
On-chip Adc
No
Operating Supply Voltage
4.5 V to 5.5 V
Package / Case
PLCC-44
Mounting Style
SMD/SMT
Data Rom Size
128 B
Interface Type
SPI, UART
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Number Of Programmable I/os
32
Number Of Timers
16 bit
On-chip Dac
No
Processor Series
FlashFlex
Program Memory Type
Flash
Supply Voltage - Max
5.5 V
Supply Voltage - Min
4.5 V
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FlashFlex MCU
SST89E564RD / SST89V564RD
SST89E554RC / SST89V554RC
©2007 Silicon Storage Technology, Inc.
P3[7:6], P2[7:6]
P3[5:4], P2[5:0]
FIGURE 13-20: B
Programs the addressed code byte if the byte location has been successfully erased and not yet programmed.
Byte-Program operation is only allowed when the security lock is not activated on that flash memory block.
FIGURE 13-21: P
Programs the Security bits SB1, SB2 and SB3 respectively. Only a Chip-Erase will erase a programmed security bit.
P3[7:6], P2[7:6]
ALE/PROG#
ALE/PROG#
PSEN#
RST
P3[3]
PSEN#
EA#
RST
P3[3]
EA#
P1
P0
YTE
ROG
-P
-SB1 / P
ROGRAM
T SU
T SU
ROG
-SB2 / P
ROG
-SB3
T ADS
T ES
83
T ADS
T ES
T PROG
T PROG
1111b / 0011b / 0101b
1110b
AH
AL
DI
T DH
T PS
T DH
T PB
S71207-08-EOL
EOL Data Sheet
1207 F12.2
1207 F11.2
1/07
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