M38049FFLSP Datasheet, PDF (105/131 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

3804 Group (Spec.L)
Power source
RESET
CNVSS
P45(TXD)
P46(SCLK)
P47(BUSY)
P44(RXD)
td(CNVSS-RESET)
td(P45-RESET)
Symbol
td(CNVSS-RESET)
td(P45-RESET)
Limits
Unit
Min. Typ. Max.
0
−
−
ms
0
ms
Notes: In the standard serial I/O mode 1, input “H” to the P46 pin.
Be sure to set the CNVSS pin to “H” before rising RESET.
Be sure to set the P45 pin to “H” before rising RESET.
Fig. 97 Operating waveform for standard serial I/O mode 1
Power source
RESET
CNVSS
P45(TXD)
P46(SCLK)
P47(BUSY)
P44(RXD)
td(CNVSS-RESET)
td(P45-RESET)
Symbol
td(CNVSS-RESET)
td(P45-RESET)
Limits
Unit
Min. Typ. Max.
0
−
−
ms
0
ms
Notes: In the standard serial I/O mode 2, input “H” to the P46 pin.
Be sure to set the CNVSS pin to “H” before rising RESET.
Be sure to set the P45 pin to “H” before rising RESET.
Fig. 98 Operating waveform for standard serial I/O mode 2
Rev.1.00 Oct 27, 2008 Page 103 of 128
REJ03B0266-0100