h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 492

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 13 Serial Communication Interface (SCI)
Table 13.8 SMR Settings and Serial Transfer Format Selection
Bit 7
C/A A A A
0
1
Table 13.9 SMR and SCR Settings and SCI Clock Source Selection
SMR
Bit 7
C/A A A A
0
1
Rev. 5.00 Sep 22, 2005 page 466 of 1136
REJ09B0257-0500
Bit 6
CHR
0
1
0
1
—
CKE1
0
1
0
1
Bit 1
SCR Setting
SMR Settings
Bit 2
MP
0
1
—
Bit 0
CKE0
0
1
0
1
0
1
0
1
Bit 5
PE
0
1
0
1
—
—
—
—
—
Asynchronous
mode
Clocked
synchronous
mode
Mode
Bit 3
STOP Mode
0
1
0
1
0
1
0
1
0
1
0
1
—
Asynchronous
mode
Asynchronous
mode (multi-
processor format)
Clocked
synchronous mode
Clock
Source
Internal
External
Internal
External
SCI Transmit/Receive Clock
Data
Length
8-bit data
7-bit data
8-bit data
7-bit data
8-bit data
SCK Pin Function
SCI does not use SCK pin
Outputs clock with same frequency as bit
rate
Inputs clock with frequency of 16 times
the bit rate
Outputs serial clock
Inputs serial clock
Multi-
Processor
Bit
No
Yes
No
SCI Transfer Format
Parity
Bit
No
Yes
No
Yes
No
Stop Bit
Length
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
None