HD64F3337YCP16V Datasheet, PDF (290/749 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Table 12.7 Communication Formats Used by SCI
SMR Settings
Communication Format
Bit 7: Bit 6: Bit 2: Bit 5: Bit 3:
C/A CHR MP PE STOP Mode
Data Multipro- Parity Stop Bit
Length cessor Bit Bit
Length
00000
Asynchronous mode 8 bits None
None 1 bit
1
2 bits
10
Present 1 bit
1
2 bits
1
00
7 bits
None 1 bit
1
2 bits
10
Present 1 bit
1
2 bits
0 1 —0
1
1
0
Asynchronous mode
(multiprocessor
format)
8 bits
7 bits
Present
None
1 bit
2 bits
1 bit
1
2 bits
1 — — — — Synchronous mode 8 bits None
None
Table 12.8 SCI Clock Source Selection
SMR
Bit 7:
C/A
0
1
SCR
Bit 1: Bit 0:
CKE1 CKE0 Mode
0
0
Async
1
1
0
1
0
0
Sync
1
1
0
1
Serial Transmit/Receive Clock
Clock Source
Internal
External
SCK Pin Function
Input/output port (not used by SCI)
Serial clock output at bit rate
Serial clock input at 16 × bit rate
Internal
Serial clock output
External
Serial clock input
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