M37640E8 Datasheet, PDF (160/172 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCONTROLLER

7600 Series
M37640E8-XXXF Preliminary Specification
Mitsubishi Microcomputers
MSB
7
LE1
LE0
CLK
PS1,0
STB
PMD
PEN
LE1,0
PEN
PMD
STB
PS1
PS0
UART Clock Selection Bit (bit 0)
0: Φ
1: SCSGCLK
Internal Clock Prescaling Selection Bits (bits 2,1)
Bit 2
Bit 1
0
0: Division by 1
0
1: Division by 8
1
0: Division by 32
1
1: Division by 256
Stop Bits Selection Bit (bit 3)
0: 1
1: 2
Parity Selection Bit (bit 4)
0: Even
1: Odd
Parity Enable Bit (bit 5)
0: Off
1: On
Uart Character Length Selection Bits (bits 7,6)
Bit 7
Bit 6
0
0: 7 bits/character
0
1: 8 bits/character
1
0: 9 bits/character
1
1: Reserved
CLK
Figure 5-20. UxMOD Register
LSB ^{Address: 003016, 003816}
0 Access: R/W
Reset: 00₁₆
MSB
7
Reserved
SER
TCM
TBE
RBF
PER
FER
OER
SER
Bit 7
OER
FER
PER
RBF
TBE
TCM
Transmit-Complete (Transmission Register Empty) Flag (bit 0)
0: Data in the transmission register.
1: No data in the transmission register.
TX Buffer Empty Flag (bit 1)
0: Data in the TX Buffer.
1: No data in the TX Buffer.
RX Buffer Full Flag (bit 2)
0: No data in the RX Buffer.
1: Data in the RX Buffer.
Receive Parity Error Flag (bit 3)
0: No receive parity error.
1: Receive parity error.
Receive Framing Error Flag (bit 4)
0: No receive framing error.
1: Receive framing error.
Receive Overrun Flag (bit 5)
0: No receive overrun.
1: Receive overrun.
Receive Error Sum Flag (bit 6)
0: No receive error.
1: Receive error.
Reserved (Read “0”)
LSB ^{Address: 0032}16^{, 003A}16
0 _{Access: R only}
Reset: 03₁₆
Figure 5-21. UxSTS Register
5-10
6/2/98