SST89E554RC-40-C-PI Microchip Technology, SST89E554RC-40-C-PI Datasheet - Page 24

• 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
Interrupt Enable (IE)
Interrupt Enable A (IEA)
©2007 Silicon Storage Technology, Inc.
Location
Location
A8H
E8H
Symbol
EA
EC
ET2
ES
ET1
EX1
ET0
EX0
Symbol
EBO
EA
7
7
-
EC
6
Function
Global Interrupt Enable.
0 = Disable
1 = Enable
PCA Interrupt Enable.
Timer 2 Interrupt Enable.
Serial Interrupt Enable.
Timer 1 Interrupt Enable.
External 1 Interrupt Enable.
Timer 0 Interrupt Enable.
External 0 Interrupt Enable.
6
Function
Brown-out Interrupt Enable.
1 = Enable the interrupt
0 = Disable the interrupt
-
ET2
5
5
-
ES
4
4
-
24
EBO
ET1
3
3
EX1
SST89E564RD / SST89V564RD
SST89E554RC / SST89V554RC
2
2
-
ET0
1
1
-
FlashFlex MCU
EX0
0
0
-
S71207-08-EOL
Reset Value
Reset Value
xxxx0xxxb
00H
1/07