HD643303x Hitachi, HD643303x Datasheet - Page 527

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

SCR—Serial Control Register
Transmit interrupt enable
Bit
Initial value
Read/Write
0 Transmit-data-empty interrupt request (TXI) is disabled
1 Transmit-data-empty interrupt request (TXI) is enabled
Receive interrupt enable
0 Receive-data-full (RXI) and receive-error (ERI) interrupt requests are disabled
1 Receive-data-full (RXI) and receive-error (ERI) interrupt requests are enabled
Transmit enable
0 Transmitting is disabled
1 Transmitting is enabled
Multiprocessor interrupt enable
0 Multiprocessor interrupts are disabled (normal receive operation)
1 Multiprocessor interrupts are enabled
Transmit-end interrupt enable
0 Transmit-end interrupt requests (TEI) are disabled
1 Transmit-end interrupt requests (TEI) are enabled
Clock enable 1 and 0
CKE1
Bit 1
0
1
R/W
TIE
7
0
CKE2
Bit 2
0
1
0
1
R/W
RIE
Clock Selection and Output
Asynchronous mode
Synchronous mode
Asynchronous mode
Synchronous mode
Asynchronous mode
Synchronous mode
Asynchronous mode
Synchronous mode
6
0
R/W
TE
5
0
512
R/W
RE
Receive enable
4
0
0 Transmitting is disabled
1 Transmitting is enabled
Internal clock, SCK pin available for generic input
Internal clock, SCK pin used for serial clock output
Internal clock, SCK pin used for clock output
Internal clock, SCK pin used for serial clock output
External clock, SCK pin used for clock input
External clock, SCK pin used for serial clock input
External clock, SCK pin used for clock input
External clock, SCK pin used for serial clock input
MPIE
R/W
3
0
H'B2
TEIE
R/W
2
0
CKE1
R/W
1
0
CKE0
R/W
0
0
SCI