M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 463

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

UARTi transmit/receive control register 1
UARTi receive buffer register
(b15)
b7
b7
b6
b5
b4
b3
b2
b1
(b8)
b0
b0
b7
UART0 transmit/receive control register 1 (Address 35
UART1 transmit/receive control register 1 (Address 3D
Notes 1: Bits 7 to 4 are cleared to “0” when clearing the receive enable bit to “0” or when reading
Bit
0
1
5
6
7
2
3
4
2: Bits 5 to 7 are ignored in the clock synchronous serial I/O mode.
Transmit enable bit
Transmit buffer empty flag
Framing error flag
Parity error flag
Error sum flag
Receive enable bit
Receive complete flag
Overrun error flag
(Valid in UART mode)
(Valid in UART mode)
(Valid in UART mode)
the low-order byte of the UARTi receive buffer register (addresses 36
7702/7703 Group User’s Manual
Bit name
b0
15 to 9
8 to 0
(Notes 1, 2)
(Notes 1, 2)
Bit
(Notes 1, 2)
UART0 receive buffer register (Addresses 37
UART1 receive buffer register (Addresses 3F
(Note 1)
Receive data is read out from here.
Nothing is assigned.
The value is “0” at reading.
0 : Data present in transmit buffer
1 : No data present in transmit
0 : No overrun error
1 : Overrun error detected
0 : No parity error
1 : Parity error detected
0 : Transmission disabled
1 : Transmission enabled
0 : Reception disabled
1 : Reception enabled
0 : No framing error
1 : Framing error detected
0 : No error
1 : Error detected
0 : No data present in receive
1 : Data present in receive buffer
register.
buffer register.
buffer register.
register.
Appendix 3. Control registers
Functions
Functions
16
16
)
)
APPENDIX
16
16
, 3E
16
Undefined
At reset
At reset
, 36
, 3E
16
0
0
0
0
1
0
0
0
0
) out.
16
16
)
)
RW
RW
RO
RW
RW
RO
RO
RO
RO
RO
RO
–
21–17