HD64F2638F20J Datasheet, PDF (524/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 13 Serial Communication Interface (SCI)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Table 13-8 SMR Settings and Serial Transfer Format Selection
Bit 7
C/A
0
1
SMR Settings
Bit 6 Bit 2 Bit 5
CHR MP PE
0
0
0
1
1
0
1
0
1
—
—
1
—
—
—
—
—
Bit 3
STOP Mode
Data
Length
0
Asynchronous
8-bit data
1
mode
0
1
0
7-bit data
1
0
1
0
Asynchronous
8-bit data
1
mode (multi-
processor format)
0
7-bit data
1
—
Clocked
8-bit data
synchronous mode
SCI Transfer Format
Multi
Processor
Bit
Parity
Bit
Stop Bit
Length
No
No
1 bit
2 bits
Yes
1 bit
2 bits
No
1 bit
2 bits
Yes
1 bit
2 bits
Yes
No
1 bit
2 bits
1 bit
2 bits
No
None
Table 13-9 SMR and SCR Settings and SCI Clock Source Selection
SMR
Bit 7
C/A
0
1
SCR Setting
Bit 1 Bit 0
CKE1 CKE0 Mode
0
0
Asynchronous
1
mode
Clock
Source
Internal
1
0
External
1
0
0
Clocked
Internal
1
synchronous
mode
1
0
External
1
SCI Transmit/Receive Clock
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
Page 474 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010