AS3435 datasheet(52/102 Pages) AMSCO

tên linh kiện	AS3435

Giải thích chi tiết về linh kiện	Integrated Active Noise Cancelling Solution with Bypass Feature

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AS3415/AS3435 – 52

ams Datasheet, Confidential: 2014-Jun-13 [v1-30]

De tail ed De sc rip t ion

OTP Read/Write and Load Access

With the OTP register architecture of the AS3415/35 it is

important to know how to access the registers for reading and

writing. Before an I²C read command can be sent there are two

registers that have to be configured prior to the desired I²C read

command. The flow chart in Figure 66 show the correct read

access sequence. The first step is to configure the

EVAL_REG_ON register. This register enables access to the

OTP_MODE register. The OTP_MODE register defines whether

you want to read or write to the OTP registers. By setting the

OTP_MODE register ‘00’ we select OTP read access. Once the

OTP_MODE register has been configured you can start reading

from the OTP registers.

Figure 66:

OTP Read Access Flow Chart

OTP Read Access Flow Chart: This flow chart shows how to successfully read from an OTP register via the I²C or

production trimming interface.

Set bit EVAL_REG_ON in

Set OTP_MODE

Read from desired

OTP register

AS3435 bảng dữ liệu(PDF) 52 Page - ams AG