參數(shù)資料
型號(hào)： TDA9950TT/C2,512
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO20
封裝： 4.40 MM, PLASTIC, SOT360-1, MO-153, TSSOP-20
文件頁(yè)數(shù)： 22/24頁(yè)
文件大?。?/td> 112K
代理商： TDA9950TT/C2,512
TDA9950_1
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 01 — 16 November 2007
7 of 24
NXP Semiconductors
TDA9950
CEC/I2C-bus translator
Table 8.
CER - TDA9950 Error Register (address 01h) bit description (Read only)
Bit
Symbol
Description
7 to 0
CER[7:0]
TDA9950 Error Register: This register provides details of the
last error that occurred. Reading this register resets the ERR
bit in the TDA9950 Status Register.
00h = no error has occurred since reset.
01h = watchdog reset has occurred.
02h = long CEC message with no End Of Message (EOM)
detected.
03h = CEC overrun - no buffer available to receive.
Table 9.
CVR - TDA9950 Version Register (address 02h) bit description (Read only)
Bit
Symbol
Description
7 to 4
CVR_MAJ[3:0]
TDA9950 major version register: Major version
3 to 0
CVR_MIN[3:0]
TDA9950 minor version register: Minor version
Table 10.
CCR - TDA9950 Control Register (address 03h) bit description (Read/Write)
Bit
Symbol
Description
7
RESET
RESET: Resets the TDA9950. Any transmission in progress
will be completed rst - the reset occurs once the TDA9950
returns to the idle state. All default values will be restored.
0 = no specic action.
1 = resets the TDA9950.
6
ON_OFF
ON_OFF:
0 = the TDA9950 is disabled (after completion of any pending
CEC transmission or reception) and will no longer
acknowledge any message on the CEC line or accept any
message for transmission.
1 = the TDA9950 is enabled and will acknowledge messages
according to the logical address bits in the CEC Address ACK
High and CEC Address ACK Low registers.
5 to 0
-
not used
Table 11.
ACKH - CEC Address ACK High register (address 04h) bit description
(Read/Write)
Bit
Symbol
Description
7
reserved
reserved (must be set to 0)
6 to 0
ACKH[6:0]
CEC Address ACK High register
For each bit:
0 = messages to the corresponding logical address will not be
acknowledged.
1 = messages to the corresponding logical address are
acknowledged and forwarded to the host.
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