SST89E554RC-40-C-PI Microchip Technology, SST89E554RC-40-C-PI Datasheet - Page 80

• Manufacturer Part Number: SST89E554RC-40-C-PI
• Description: 8-bit Microcontrollers - MCU 32KB+8KB 40ns
• Manufacturer: Microchip Technology

Specifications of SST89E554RC-40-C-PI

• 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: PDIP-40
• Mounting Style: Through Hole
• 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

EOL Data Sheet
13.3 Flash Memory Programming Timing Diagrams with External Host Mode
©2007 Silicon Storage Technology, Inc.
P3[5:4], P2[5:0]
P3[7:6], P2[7:6]
FIGURE 13-14: R
Reads chip signature and identification registers at the addressed location.
FIGURE 13-15: S
Enables the selection of either of the flash memory blocks prior to issuing a Byte-Verify, Block-Erase, Sector-
Erase, or Byte-Program.
ALE/PROG#
PSEN#
RST
P3[3]
EA#
P3[5:4] ,P2[5:0] ,P1
P2[7:6] ,P3[7:6]
ALE/PROG#
EAD
ELECT
PSEN#
-ID
RST
EA#
P0
-B
LOCK
T SU
1 / S
T
SU
Device ID =
ELECT
-B
T
LOCK
ES
91H for SST89E564RD
90H for SST89V564RD
99H for SST89E554RC
98H for SST89V554RC
0 (F
0030H
0000b
BFH
T ADS
T RD
80
T ES
OR
SST89E/V564RD
T PROG
SST89E564RD / SST89V564RD
SST89E554RC / SST89V554RC
A5H/55H
1001b
Device ID
ONLY
0031H
0000b
T RD
)
T PSB
T DH
FlashFlex MCU
1207 F05.2
S71207-08-EOL
1207 F06.1
1/07