参数资料
型号: 935056380512
厂商: NXP SEMICONDUCTORS
元件分类: 微控制器/微处理器
英文描述: 8 CHANNEL(S), 115.2K bps, SERIAL COMM CONTROLLER, PQCC84
封装: PEDESTAL, PLASTIC, MO-047AF, SOT-189-3, LCC-84
文件页数: 15/29页
文件大小: 167K
代理商: 935056380512
Philips Semiconductors
Product specification
SCC2698B
Enhanced octal universal asynchronous
receiver/transmitter (Octal UART)
2000 Jan 31
22
RDN
WRN
MPOx
MPIx OR
MPPx
tPS
tPH
tPD
RDN
OLD DATA
NEW DATA
SD00189
Figure 7. Port Timing
WRN
INTERRUPT1
OUTPUT
RDN
INTERRUPT1
OUTPUT
VM
tIR
VOL +0.5V
VOL
NOTES:
1. INCLUDES MPP WHEN USED AS TxRDY or RxDY/FFULL OUTPUTS AS WELL AS INTRN.
2. THE TEST FOR OPEN DRAIN OUTPUTS IS INTENDED TO GUARANTEE SWITCHING OF THE OUTPUT TRANSISTOR. MEASUREMENT OF THIS RESPONSE IS
REFERENCED FROM THE MIDPOINT OF THE SWITCHING SIGNAL, VM, TO A POINT 0.5V ABOVE VOL. THIS POINT REPRESENTS NOISE MARGIN THAT AS-
SURES TRUE SWITCHING HAS OCCURRED. BEYOND THIS LEVEL, THE EFFECTS OF EXTERNAL CIRCUITRY AND TEST ENVIRONMENT ARE PRONOUNCED
AND CAN GREATLY AFFECT THE RESULTANT MEASUREMENT.
SD00190
Figure 8. Interrupt Timing
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