SST89E554RC-40-C-PI Microchip Technology, SST89E554RC-40-C-PI Datasheet - Page 25

• 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
Interrupt Priority (IP)
Interrupt Priority High (IPH)
Interrupt Priority A (IPA)
Interrupt Priority A High (IPAH)
©2007 Silicon Storage Technology, Inc.
Location
Location
Location
Location
B8H
B7H
F8H
F7H
Symbol
PPC
PT2
PS
PT1
PX1
PT0
PX0
Symbol
PPCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
Symbol
PBO
Symbol
PBOH
7
7
7
7
-
-
-
-
PPCH
PPC
6
Function
PCA interrupt priority bit.
Timer 2 interrupt priority bit.
Serial Port interrupt priority bit.
Timer 1 interrupt priority bit.
External interrupt 1 priority bit.
Timer 0 interrupt priority bit.
External interrupt 0 priority bit.
6
Function
PCA interrupt priority bit high.
Timer 2 interrupt priority bit high.
Serial Port interrupt priority bit high.
Timer 1 interrupt priority bit high.
External interrupt 1 priority bit high.
Timer 0 interrupt priority bit high.
External interrupt 0 priority bit high.
6
Function
Brown-out interrupt priority bit.
6
Function
Brown-out Interrupt priority bit high.
-
-
PT2H
PT2
5
5
5
5
-
-
PSH
PS
4
4
4
4
-
-
25
PBOH
PT1H
PBO
PT1
3
3
3
3
PX1H
PX1
2
2
2
2
-
-
PT0H
PT0
1
1
1
1
-
-
PX0H
PX0
0
0
0
0
-
-
S71207-08-EOL
EOL Data Sheet
Reset Value
Reset Value
Reset Value
Reset Value
x0000000b
x0000000b
xxxx0xxxb
xxxx0xxxb
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