71M6511 Maxim, 71M6511 Datasheet - Page 95

• Manufacturer Part Number: 71M6511
• Description: The 71M6511 and 71M6511H are highly integrated SoCs with an MPU core, RTC, flash, and LCD driver
• Manufacturer: Maxim

Digital Pins:
Name
COM3,
COM2,
COM1,
COM0
SEG19…SEG8,
SEG2…SEG0
SEG24/DIO4…
SEG31/DIO11,
SEG34/DIO14…
SEG37/DIO17
SEG7/
MUX_SYNC
SEG6/SRDY
SEG5/SFR
SEG4/SDATA
SEG3/SCLK
CKTEST
TMUXOUT
OPT_RX
OPT_TX
RESETZ
RX
TX
E_RXTX
E_TCLK
E_RST
TEST
Pin types: P = Power, O = Output, I = Input, I/O = Input/Output
The circuit number denotes the equivalent circuit, as specified on the following page.
Page: 95 of 98
A Maxim Integrated Products Brand
Pin #
pinout
pinout
See
See
16
15
14
13
24
23
11
10
57
48
45
64
63
60
6
8
4
3
5
2
Type
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
© 2005–2010 Teridian Semiconductor Corporation
Circuit
3, 4, 5
4, 5
2, 5
4, 5
4, 5
4, 5
1, 4
1, 4
5
5
4
4
7
4
1
3
4
4
7
Description
LCD Common Outputs: These 4 pins provide the select signals for the
LCD display.
Dedicated LCD Segment Output pins.
Multi-use pins, configurable as either LCD SEG driver or DIO (DIO4 =
SCK, DIO5 = SDA when configured as EEPROM interface, WPULSE
= DIO6, VARPULSE = DIO7 when configured as pulse outputs). If
unused, these pins must be configured as outputs.
Multi-use-pin LCD Segment Output/ MUX_SYNC is output for
Synchronous serial interface
Multi-use-pin, LCD Segment Outputs/ SRDY input for Synchronous
serial interface. When configured as SRDY, this pin must be pulled
down to GNDD.
Multi-use-pin, LCD Segment Output/ SFR output for Synchronous
serial interface.
Multi-use-pin, LCD Segment Output/ SDATA output for Synchronous
serial interface.
Multi-use-pin, LCD Segment Output/ SCLK output for Synchronous
serial interface.
Clock PLL output. Can be enabled and disabled by CKOUT_DIS.
Digital output test multiplexer. Controlled by DMUX[3:0].
Optical Receive Input: This pin may receive a signal from an external
photo-detector used in an IR serial interface. If this pin is unused it
must be terminated to V3P3D or GNDD.
Optical LED Transmit Output: This pin is designed to directly drive an
LED for transmitting data in an IR serial interface. Can be tristated with
OPT_TXDIS to be multiplexed with other DIO pins.
This input pin resets the chip into a known state. For normal operation,
this pin is set to 1. To reset the chip, this pin is driven to 0. This pin
has an internal 30μA (nominal) current source pull up. A 0.1µF ca-
pacitor to GNDD should be connected to this pin. See the precau-
tions in the Applications Section for terminating this pin.
UART input. The voltage applied at this input must be below 3.6V.
If this pin is unused it must be terminated to V3P3D or GNDD.
UART output.
Emulator serial data. This pin has an internal pull-up resistor.
Emulator clock.
Emulator reset. This pin has an internal pull-up resistor. See the
precautions in the Applications Section for terminating this pin.
Enables Production Test. This pin must be grounded in normal
operation.
Single-Phase Energy Meter IC
71M6511/71M6511H
DATA SHEET
NOVEMBER 2010
V2.7