UPD789304 Datasheet, PDF (50/64 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

RESET Input Timing
RESET
µPD789304, 789306, 789314, 789316
tRSL
Serial Transfer Timing
3-wire serial I/O mode:
SCKn0
SIn0
SOn0
Remark n, m = 1, 2
tKLm
tKCYm
tKHm
tKSOm
tSIKm
tKSIm
Input data
Output data
UART mode (external clock input):
ASCK20
tKCY3
tKL3
tKH3
tR
tF
50
Data Sheet U14384EJ1V0DS