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UPD784020 Datasheet, PDF (77/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCOMPUTER
Serial Operation (IOE1, IOE2)
tWSKL1
tWSKH1
SCK
SI
tCYSK1
SO
mPD784020, 784021
tDSOSK
tHSOSK
Output data
tSSSK1 tHSSK1
Input data
Serial Operation (UART, UART2)
ASCK,
ASCK2
tWASKH
0.8VDD
0.8 V
tCYASK
tWASKL
77