参数资料
型号: 71M6511-DB
厂商: Maxim Integrated Products
文件页数: 67/115页
文件大小: 0K
描述: BOARD DEMO 71M6511 ENERGY METER
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: 电源管理,电度表/功率表
嵌入式:
已用 IC / 零件: 71M6511
已供物品: 2 个板,线缆,CD,电源
71M6511/71M6511H Demo Board User’s Manual
To disable the LCD voltage boost circuit, we apply the following CLI commands:
>RI20$
>8E
>RI20=E
>RI20=8E
Reads the hex value of register 0x2020
Response from Demo Code indicating the bit 7 is set
Writes the hex value 0x0E to register 0x2020 causing the LCD boost to be switched off
Enables the LCD boost circuit
The LCD_CLK register determines the frequency at which the COM pins change states. A slower clock
means lower power consumption, but if the clock is too slow, visible flicker can occur. The default clock
frequency for the 71M6511/6511H Demo Boards is 150Hz ( LCD_CLK = 01).
Register Name
LCD_CLK[1:0]
Address [bits]
2021[1:0]
R/W
R/W
Description
Sets the LCD clock frequency, i.e. the frequency at which SEG
and COM pins change states.
00: f w /2 , 01: f w /2 , 10: f w /2 , 11: f w /2
f w = CKADC/128 = 38,400
9 8 7 6
To change the LCD clock frequency, we apply the following CLI commands:
>RI21$
>25
>RI21=24
>RI21=25
Reads the hex value of register 0x2021
Response from Demo Code indicating the bit 0 is set and bit 1 is cleared.
Writes the hex value 0x24 to register 0x2021 clearing bit 0 – LCD flicker is visible now
Writes the original value back to LCD_CLK
Revision 5.4
? 2005-2007 TERIDIAN Semiconductor Corporation
Page: 67 of 115
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