M306V2 Mitsubishi, M306V2 Datasheet - Page 122

• Manufacturer Part Number: M306V2
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

122
Figure 2.11.24 Timing for switching serial data logic
(1) Sleep mode (UART0)
(2) Function for switching serial data logic (UART2)
(3) TxD, RxD I/O polarity reverse function (UART2)
This mode is used to transfer data between specific microcomputers among multiple microcomputers
connected using UART0. The sleep mode is selected when the sleep select bit (bit 7 at address
03A0
of the received data = “1” and does not perform receive operation when the MSB = “0”.
When the data logic select bit (bit 6 of address 037D
transmission buffer register or reading the reception buffer register. Figure 2.11.24 shows the ex-
ample of timing for switching serial data logic.
This function is to reverse TxD pin output and RxD pin input. The level of any data to be input or output
(including the start bit, stop bit(s), and parity bit) is reversed. Set this function to “0” (not to reverse) for
usual use.
Transfer clock
16
• When LSB first, parity enabled, one stop bit
) is set to “1” during reception. In this mode, the unit performs receive operation when the MSB
(no reverse)
(reverse)
TxD
TxD
2
2
“H”
“H”
“H”
“L”
“L”
“L”
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
ST
ST
D0
D0
D1
D1
D2
D2
D3
D3
16
) is assigned 1, data is inverted in writing to the
D4
D4
D5
D5
and ON-SCREEN DISPLAY CONTROLLER
D6
D6
MITSUBISHI MICROCOMPUTERS
D7
D7
M306V2ME-XXXFP
ST : Start bit
P : Even parity
SP : Stop bit
P
P
SP
SP
M306V2EEFP
Rev. 1.0