HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 805

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

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
CKE0
Bit 0
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
798
R/W
Receive enable
RE
4
0
0 Receiving is disabled
1 Receiving is enabled
Internal clock, SCK pin available for generic I/O
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
SCI0