參數(shù)資料
型號: MC68HC58DW
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, PDSO28
封裝: SOIC-28
文件頁數(shù): 27/102頁
文件大?。?/td> 700K
代理商: MC68HC58DW
MOTOROLA
SIGNAL AND PIN DESCRIPTIONS
MC68HC58
2-14
TECHNICAL DATA
2.5.1 Method 1 — All Supplies Applied
When V
BATT, VCC, and VDD are applied, the PSEN pin goes to a high-impedance state
when the DLC is in standby mode, and sources 12 Vdc when the DLC is activated.
Figure 2-4 shows J1850 BUS, INT, RST, and PSEN timing relationships. If the host
does not service the interrupt due to bus activity, the DLC automatically re-enters
standby mode. Refer to APPENDIX A ELECTRICAL CHARACTERISTICS for more
information on parameter specifications.
Figure 2-4 Method 1 — Standby Mode Supplies Applied
12V
0V
5V
0V
ACTIVE
PASSIVE
tACINT
5V
0V
12V
0V
HIGH IMPEDANCE
STANDBY
NORMAL
STANDBY
VBATT
VCC/VDD
RST
BUS
INT
PSEN
DLC MODE
DLC PMC1
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