SST89E554RC-40-C-PI Microchip Technology, SST89E554RC-40-C-PI Datasheet - Page 23

• 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

FlashFlex MCU
SST89E564RD / SST89V564RD
SST89E554RC / SST89V554RC
SuperFlash Data Register (SFDT)
SuperFlash Status Register (SFST) (Read Only Register)
©2007 Silicon Storage Technology, Inc.
Location
Location
B5H
B6H
Symbol
SFDT
Symbol
SB1
SB2
SB3
EDC
FLASH_BUSY Flash operation completion polling bit.
SB1_i
_i
_i
_i
7
_i
7
SB2_i
6
6
Function
Mailbox register for interfacing with flash memory block. (Data register).
Function
Security Bit 1 status (inverse of SB1 bit)
Security Bit 2 status (inverse of SB2 bit)
Security Bit 3 status (inverse of SB3 bit)
Please refer to Table 9-1 for security lock options.
Double Clock Status
0: 12 clocks per machine cycle
1: 6 clocks per machine cycle
0: Device has fully completed the last IAP command.
1: Device is busy with flash operation.
SB3_i
5
5
SuperFlash Data Register
4
-
4
23
EDC_i
3
3
FLASH_BUSY
2
2
1
1
-
0
0
-
S71207-08-EOL
EOL Data Sheet
Reset Value
Reset Value
xxxxx0xxb
00H
1/07