參數(shù)資料
型號: MC68HC58FN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), LOCAL AREA NETWORK CONTROLLER, PQCC28
封裝: PLASTIC, LCC-28
文件頁數(shù): 58/102頁
文件大?。?/td> 700K
代理商: MC68HC58FN
MC68HC58
DATA LINK CONTROLLER OPERATION
MOTOROLA
TECHNICAL DATA
4-15
Figure 4-10 Host/DLC Serial Mode Transmit Routine (Part 2 of 2)
END TX DATA ROUTINE
ASSERT DLC CS
IS SPI TRANSFER COMPLETE?
NO
RETRIEVE THE STATUS BYTE RECEIVED
FROM THE DLC FROM SPI DATA REGISTER
YES
D
DLC HOST TRANS FLOW 2
DETERMINE REASON FOR INCORRECT
NEGATE DLC CS
YES
NO
IS TX FIFO STATUS
CORRECT?
IS SPI TRANSFER COMPLETE?
NO
YES
C
MINIMUM 2.5
S DELAY BETWEEN
NEGATION AND ASSERTION OF CS
LOAD LAST BYTE OF MESSAGE TO BE
TRANSMITTED INTO SPI DATA REGISTER,
INITIATING SPI TRANSFER
D
E
LOAD “LOAD AS LAST BYTE OF TRANSMIT
DATA” COMMAND BYTE BIT COMBINATION
INTO SPI DATA REGISTER, INITIATING
SPI TRANSFER
NEGATE DLC CS
DLC TX FIFO STATUS
ABORT TRANSMISSION, IF APPROPRIATE,
ONCE AN IDLE BUS CONDITION IS
DETECTED ON THE J1850 BUS, THE
DLC WILL BEGIN NECESSARY BUS
ACCESS PROCEDURE IN ORDER TO
TRANSMIT MESSAGE
TO RESET DLC TRANSMITTER
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