S1C63454 TECHNICAL MANUAL
EPSON
73
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Serial Interface)
(5) Timing chart
The S1C63454 serial interface timing charts are shown in Figures 4.11.4.2 and 4.11.4.3.
SCTRG (W)
SCTRG (R)
SCLK
SIN
8-bit shift register
SOUT
ISIF
SRDY (Slave mode)
SCTRG (W)
SCTRG (R)
SCLK
SIN
8-bit shift register
SOUT
ISIF
SRDY (Slave mode)
(b) When SCPS = "0"
Fig. 4.11.4.2 Serial interface timing chart (when synchronous clock is negative polarity SCLK)
SCTRG (W)
SCTRG (R)
SCLK
SIN
8-bit shift register
SOUT
ISIF
SRDY (Slave mode)
SCTRG (W)
SCTRG (R)
SCLK
SIN
8-bit shift register
SOUT
ISIF
SRDY (Slave mode)
(b) When SCPS = "0"
Fig. 4.11.4.3 Serial interface timing chart (when synchronous clock is positive polarity SCLK)
(a) When SCPS = "1"
(a) When SCPS = "1"
Содержание S1C63454
Страница 1: ...MF1074 03 Technical Manual CMOS 4 BIT SINGLE CHIP MICROCOMPUTER S1C63454 Technical Hardware S1C63454 ...
Страница 4: ......
Страница 6: ......
Страница 10: ......