HD6432621 Hitachi, HD6432621 Datasheet - Page 491

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Table 13-8 SMR Settings and Serial Transfer Format Selection
Bit 7
C/A
0
1
Table 13-9 SMR and SCR Settings and SCI Clock Source Selection
SMR
Bit 7
C/A
0
1
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
—
—
—
—
—
Mode
Asynchronous
mode
Clocked
synchronous
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
SCI Transfer Format
Multi
Processor
Bit
No
Yes
No
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
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