p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 399

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

output pin
output pin
output pin
output pin
SCK
SCK
TxD
TxD
Figure 15.23 Pin States during Transmission in Asynchronous Mode (Internal Clock)
TE bit
TE bit
Note: * Initialized in software standby mode
Figure 15.24 Pin States during Transmission in Clocked Synchronous Mode
input/output
input/output
Port
Port
Port
Port
High output
Marking output
Transmission start
Transmission start
Start
(Internal Clock)
SCI TxD output
SCI TxD output
Transmission end
Transmission end
Section 15 Serial Communication Interface (SCI)
Last TxD bit retained
Stop
Rev. 1.00 Sep. 21, 2006 Page 361 of 658
Transition to
software standby
mode
Transition to
software standby
mode
Port input/output
Port input/output
input/output
input/output
Port
Port
Port
Port
Software standby
mode cancelled
REJ09B0310-0100
Software standby
mode cancelled
High output*
High output
TxD output
TxD output
SCI
SCI