HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 831

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

SCR1—Serial Control Register 1
822
Bit
Initial value
Read/Write
Transmit Interrupt Enable
0
1
:
:
:
Transmit data empty interrupt (TXI) requests disabled
Transmit data empty interrupt (TXI) requests enabled
R/W
TIE
7
0
Receive Interrupt Enable
1
0
R/W
Receive data full interrupt (RXI) request and
receive error interrupt (ERI) request disabled
Receive data full interrupt (RXI) request and
receive error interrupt (ERI) request enabled
RIE
6
0
Transmit Enable
0
1
R/W
TE
Transmission disabled
Transmission enabled
5
0
Receive Enable
0
1
R/W
Reception disabled
Reception enabled
RE
4
0
Multiprocessor Interrupt Enable
0
1
MPIE
R/W
Multiprocessor interrupts disabled
[Clearing conditions]
• When the MPIE bit is cleared to 0
• When MPB= 1 data is received
Multiprocessor interrupts enabled
Receive interrupt (RXI) requests, receive error interrupt (ERI)
requests, and setting of the RDRF, FER, and ORER flags in
SSR are disabled until data with the multiprocessor bit set to 1
is received
3
0
Transmit End Interrupt Enable
0
1
TEIE
R/W
Transmit end interrupt (TEI) request disabled
Transmit end interrupt (TEI) request enabled
2
0
Clock Enable
SMCR
SMIF
H'FF82
0
1
1
1
1
1
1
CKE1
R/W
1
0
C/A,GM CKE1
SMR
0
0
1
1
1
1
CKE0
R/W
0
0
SCR setting
0
0
0
0
1
1
See SCI specification
Smart Card Interface 1
CKE0
0
1
0
1
0
1
Operates as port input
pin
Clock output as SCK
output pin
Fixed-low output as
SCK output pin
Clock output as SCK
output pin
Fixed-high output as
SCK output pin
Clock output as SCK
output pin
SCK pin function