HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 821
HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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SCR0—Serial Control Register 0
812
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
0
1
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
Notes:
Clock Enable
0
1
H'FF7A
CKE1
R/W
0
1
0
1
1. Outputs a clock of the same frequency as the bit rate.
2. Inputs a clock with a frequency 16 times the bit rate.
1
0
Asynchronous
mode
Synchronous
mode
Asynchronous
mode
Synchronous
mode
Asynchronous
mode
Synchronous
mode
Asynchronous
mode
Synchronous
mode
CKE0
R/W
0
0
Internal clock/SCK pin functions
as I/O port
Internal clock/SCK pin functions
as serial clock output
Internal clock/SCK pin functions
as clock output*
Internal clock/SCK pin functions
as serial clock output
External clock/SCK pin functions
as clock input*
External clock/SCK pin functions
as serial clock input
External clock/SCK pin functions
as clock input*
External clock/SCK pin functions
as serial clock input
2
2
1
SCI0
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