71M6543F-IGT/F Maxim Integrated Products, 71M6543F-IGT/F Datasheet - Page 45

• Manufacturer Part Number: 71M6543F-IGT/F
• Description: PMIC Solutions Precision Energy Meter IC
• Manufacturer: Maxim Integrated Products
• Type: Metering SoCr

Specifications of 71M6543F-IGT/F

• Core: 8051
• Core Architecture: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 5 KB
• Device Million Instructions Per Second: 5 MIPS
• Interface Type: I2C, ICE, SPI, UART
• Maximum Clock Frequency: 5 MHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Programmable I/os: 51
• Number Of Timers: 2
• On-chip Adc: 22 bit
• Operating Supply Voltage: 3 V to 3.6 V
• Package / Case: LQFP-100
• Processor Series: 8051
• Program Memory Size: 64 KB
• Program Memory Type: Flash
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Interrupt Sources and Vectors
Table 38
v1.2
shows the interrupts with their associated flags and vector addresses.
Request Flag
Interrupt
RI0/TI0
RI1/TI1
IEX2
IEX3
IEX4
IEX5
IEX6
TF0
TF1
IE0
IE1
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Table 37: Interrupt Polling Sequence
External interrupt 0
Timer 0 interrupt
External interrupt 1
Timer 1 interrupt
Serial channel 0 interrupt
Serial channel 1 interrupt
External interrupt 2
External interrupt 3
External interrupt 4
External interrupt 5
External interrupt 6
Serial channel 1 interrupt
Serial channel 0 interrupt
Table 38: Interrupt Vectors
External interrupt 0
External interrupt 2
External interrupt 1
External interrupt 3
External interrupt 4
External interrupt 5
External interrupt 6
Timer 0 interrupt
Timer 1 interrupt
Description
71M6543F/H and 71M6543G/GH Data Sheet
Interrupt Vector
Address
0x000B
0x001B
0x004B
0x005B
0x006B
0x0003
0x0013
0x0023
0x0083
0x0053
0x0063
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