71M6543F-IGTR/F Maxim Integrated Products, 71M6543F-IGTR/F Datasheet - Page 41

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

Specifications of 71M6543F-IGTR/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

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v1.2
TCON[7]
TCON[6]
TCON[5]
TCON[4]
TCON[3]
TCON[2]
TCON[1]
TCON[0]
IEN0[7]
IEN0[6]
IEN0[5]
IEN0[4]
IEN0[3]
IEN0[2]
IEN0[1]
IEN0[0]
IEN1[7]
IEN1[6]
IEN1[5]
IEN1[4]
IEN1[3]
IEN1[2]
IEN1[1]
IEN1[0]
IEN2[0]
The Timer/Counter control registers, TCON and T2CON (see
The interrupt request register, IRCON (see
The interrupt priority registers: IP0 and IP1 (see
Bit
Bit
Bit
Bit
Symbol
Symbol
Symbol
Symbol
WDT
EAL
ET1
EX1
ET0
EX0
EX6
EX5
EX4
EX3
EX2
TF1
TR1
TF0
TR0
ES0
ES1
IE1
IT1
IE0
IT0
–
–
–
–
EAL = 0 disables all interrupts.
Not used for interrupt control.
Not Used.
ES0 = 0 disables serial channel 0 interrupt.
ET1 = 0 disables timer 1 overflow interrupt.
EX1 = 0 disables external interrupt 1.
ET0 = 0 disables timer 0 overflow interrupt.
EX0 = 0 disables external interrupt 0.
Not used.
Not used.
EX6 = 0 disables external interrupt 6.
EX5 = 0 disables external interrupt 5.
EX4 = 0 disables external interrupt 4.
EX3 = 0 disables external interrupt 3.
EX2 = 0 disables external interrupt 2.
Not Used.
ES1 = 0 disables the serial channel 1 interrupt.
Timer 1 overflow flag.
Not used for interrupt control.
Timer 0 overflow flag.
Not used for interrupt control.
External interrupt 1 flag.
External interrupt 1 type control bit:
External interrupt 0 flag
External interrupt 0 type control bit:
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0 = interrupt on low level.
1 = interrupt on falling edge.
0 = interrupt on low level.
1 = interrupt on falling edge.
Table 26: The IEN0 Bit Functions (SFR 0xA8)
Table 27: The IEN1 Bit Functions (SFR 0xB8)
Table 28: The IEN2 Bit Functions (SFR 0x9A)
Table 29: TCON Bit Functions (SFR 0x88)
Table
Table
31).
36).
71M6543F/H and 71M6543G/GH Data Sheet
Function
Function
Function
Function
Table 29
and
Table
30).
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