HD64F3670 RENESAS [Renesas Technology Corp], HD64F3670 Datasheet - Page 258

• Manufacturer Part Number: HD64F3670
• Description: Hitachi Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Rev. 2.0, 03/02, page 234 of 298
Note:
SCK3
TXD
(transmit data)
RXD
(receive data)
* Output timing reference levels
V
V
IH
IL
Output high:
Output low:
Load conditions are shown in figure 16.6.
or V
or V
Figure 17.5 SCI3 Input/Output Timing in Clocked Synchronous Mode
OL
OH
*
*
SCK3
t
TXD
V
V
OH
OL
= 0.8 V
= 2.0 V
V
V
Figure 17.4 SCK3 Input Clock Timing
OH
OL
*
*
t
Scyc
t
SCKW
t
RXS
t
Scyc
t
RXH