參數(shù)資料
型號: P95020NQG
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝: 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù): 49/169頁
文件大?。?/td> 4297K
代理商: P95020NQG
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
142
2011 Integrated Device Technology, Inc.
I2C / I2S MODULE
Features
IC Master supports an interface to external ROM
IC Slave supports interface to external IC Masters
400 kHz fast I2C protocol
Two IS interfaces
Access arbiter that arbitrates the access request
from I2C slave or embedded microcontroller
Interrupt handler which merge or re-direct the
interrupts from functional module to internal or
external processor
Description
The IDTP95020’s IC master port is intended for IC ROM
access only. The contents of an external ROM that are
attached to the IC Master port are automatically read into
an internal 1.5 kbyte shadow memory. The IC Master
port conforms to the 400 kHz fast IC bus protocol and
supports 7-bit device/page addressing.
The IDTP95020’s IC Slave port follows I2C bus protocol
during register reads or writes that are initiated by an
external IC Master (typically an application processor).
The IC Slave port operates at up to 400 kHz and supports
7-bit device/page addressing.
The IDTP95020 includes two IS interfaces that provide
audio inputs to the Audio Module described on Page 19.
I2C / I2S – Pin Definitions
Table 234. I2C / I2S – Pin Definitions
PIN #
PIN_ID
DESCRIPTION
A31
EX_ROM
ROM Select. EX_ROM = 1, read contents of external ROM into internal
shadow memory. EX_ROM = 0, read contents of internal ROM.
B27
DGND
Digital Ground (1)
A32
I2S_BCLK2
IS Bit Clock Channel 2
B28
I2S_WS2
IS Word Select Channel 2
B29
I2S_SDOUT2 IS Serial Data OUT Channel 2
A33
I2S_SDIN2
IS Serial Data IN Channel 2
B30
I2S_BCLK1
IS Bit Clock Channel 1
A34
I2S_WS1
IS Word Select (Left/Right) Channel 1
A37
I2S_SDOUT1 IS Serial Data OUT Channel 1
A38
I2S_SDIN1
IS Serial Data IN Channel 1
B31
I2CS_SCL
IC Slave clock
A39
I2CS_SDA
IC Slave data
B32
I2CM_SCL
IC Master clock
A40
I2CM_SDA
IC Master data
B33
GND
GND : Ground
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