HD643303x Hitachi, HD643303x Datasheet - Page 354

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

Table 11-8 SMR Settings and Serial Communication Formats
Bit 7 Bit 6 Bit 2 Bit 5 Bit 3
C/A
0
0
0
0
0
0
0
0
0
0
0
0
1
Table 11-9 SMR and SCR Settings and SCI Clock Source Selection
SMR
Bit 7 Bit 1
C/A
0
0
0
0
1
1
1
1
CHR MP
0
0
0
0
1
1
1
1
0
0
1
1
—
CKE1 CKE0
0
0
1
1
0
0
1
1
SCR Settings
SMR Settings
0
0
0
0
0
0
0
0
1
1
1
1
—
Bit 0
0
1
0
1
0
1
0
1
PE
0
0
1
1
0
0
1
1
—
—
—
—
—
Mode
Asynchronous mode
Synchronous mode
STOP Mode
0
1
0
1
0
1
0
1
0
1
0
1
—
Asynchronous
mode
Asynchronous
mode (multi-
processor
format)
Synchronous
mode
339
Clock Source
Internal
External
Internal
External
Data
Length
8-bit data
7-bit data
8-bit data
7-bit data
8-bit data
SCI Transmit/Receive Clock
SCI Communication Format
Multi-
processor
Bit
Absent
Present
Absent
SCK Pin Function
SCI does not use the SCK pin
Outputs a clock with frequency
matching the bit rate
Inputs a clock with frequency
16 times the bit rate
Outputs the serial clock
Inputs the serial clock
Parity
Bit
Absent
Present
Absent
Present
Absent
Stop
Bit
2 bits
1 bit
2 bits
2 bits
1 bit
2 bits
2 bits
1 bit
2 bits
Length
1 bit
1 bit
1 bit
None