M30240ECFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30240ECFP Datasheet - Page 90

• Manufacturer Part Number: M30240ECFP
• Description: M30240 Group Specification
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Specifications in this manual are tentative and subject to change
UART0 through UART2
Figure 1.81: Serial I/O-related registers (5)
UART transmit/receive control register 2
b7
b6
b5
b4
b3
b2
b1
b0
Note: When using multiple pins to output the transfer clock, the following requirements must be met:
CLKMD0
CLKMD1
U0RRM
U1RRM
Reserved
symbol
Nothing is assigned.
This bit can neither be set nor reset. When read, its content is indeterminate.
U0IRS
U1IRS
Bit
Symbol
• UART1 internal/external clock select bit (bit 3 at address 03A8
UCON
UART0 transmit
interrupt cause select bit
UART1 transmit
interrupt cause select bit
UART0 continuous
receive mode enable bit
UART1 continuous
receive mode enable bit
CLK/CLKS select bit 0
CLK/CLKS select
bit 1 (Note)
Bit name
Address
03B0
1-90
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
0 :
1 : Transmission completed
0 :
1 : Transmission completed
0 : Continuous receive
1 : Continuous receive
0 : Continuous receive
1 : Continuous receive
Valid when bit 5 = “1”
0 : Clock output to CLK1
1 : Clock output to CLKS1
0 : Normal mode
1 : Transfer clock output
(During clock synchronous
Must always be “0”
Transmit buffer empty (Tl = 1)
Transmit buffer empty (Tl = 1)
(CLK output is CLK1 only)
from multiple pins
function selected
(TXEPT = 1)
(TXEPT = 1)
mode disabled
mode enable
mode disabled
mode enabled
serial I/O mode)
When reset
X0000000
Function
2
0 : Transmit buffer empty (Tl = 1)
1 : Transmission completed
0 : Transmit buffer empty (Tl = 1)
1 : Transmission completed
Invalid
Invalid
Invalid
Must always be “0”
Must always be “0”
(TXEPT = 1)
(TXEPT = 1)
(During UART mode)
16
) = “0”.
Mitsubishi microcomputers
Function
M30240 Group
R
W