M16C Datasheet, PDF (142/262 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M16C / 6N Group
CUAloRckT2asSypnecchiraolnMouosdeseRrieagl _{iIs/Oter(U2ART)} mode
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
UART2 Special Mode Register 2
The UART2 special mode register 2(address 01F616) is used to further control UART2 in I²C mode.
Figure 13-14 shows the special UART2 mode register.
UART2 special mode register 2
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
U2SMR2
Address
01F616
When reset
X0000000 2
Bit
symbol
Bit name
IICM2 I²C mode selection bit 2
Function
Refer to Table 1.19.10
CSC Clock-synchronous bit
SWC SCL wait output bit
ASL
SDA output stop bit
STAC ^{UART2 initialization bit}
SWC2 SCL wait output bit 2
SDHI ^{SDA output disable bit}
SHTC Start/stop condition
control bit
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
0: UART2 clock
1: 0 output
0: Enabled
1: Disabled (high impedance)
Set this bit to "1" in I²C mode
(refer to Table 1.19.11)
Figure 13-14. UART2 special mode register 2
RW
(Note)
142