Table of Contents
Advertisement
M30245 Group
www.DataSheet4U.com
Figure 2.5.6. Serial interface special function-related registers (5)
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
UARTi special mode register 3 (i= 0 to 3)
b7
b6
b5
b4
b3
b2
b1
b0
Symbol
UiSMR3 (i=0 to 3) 03A5
Bit Symbol
SSE
CKPH
DINC
NODC
ERR
DL0
DL1
DL2
Note 1: Set SS function after setting CTS/RTS disable bit (bit 4 of UARTi transfer/receive
Note 2: Only "0" may be written.
Note 3: These bits are used for SDAi (TxDi) output digital delay when using UARTi for I
Note 4: The amount of delay varies with the load on SCLi and SDAi pins.
page 92 of 354
Address
, 0365
, 0335
16
16
Bit Name
0 : SS function disabled
SS port function
1 : SS function enabled
enable bit (Note 1)
0 : No clock delay
Clock phase set bit
1 : Clock delay
0 : Select TxDi and RxDi (master mode)
Serial input port
1 : Select STxDi and SRxDi (slave mode)
set bit
0 : CLKi is CMOS output
Clock output
1 : CLKi is N-channel open drain output
select bit
0 : No fault error
Fault error flag
1 : Fault error (Note 2)
b7 b6 b5
SDA (TxDi) digital
0 0 0 : No delay
delay time set bit
0 0 1 : 1 to 2-cycle of UiBRG count source
(Notes 3,4)
0 1 0 : 2 to 3-cycle of UiBRG count source
0 1 1 : 3 to 4-cycle of UiBRG count source
1 0 0 : 4 to 5-cycle of UiBRG count source
1 0 1 : 5 to 6-cycle of UiBRG count source
1 1 0 : 6 to 7-cycle of UiBRG count source
1 1 1 : 7 to 8-cycle of UiBRG count source
control register 0) to "1"
interface. Otherwis set to "000".
When external clock is selected, delay is increased by approximately 100ns.
2. Serial Interface Special Function
When reset
, 0325
00
16
16
16
Function
R W
2
C
Advertisement
Table of Contents
