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R01UH0336EJ0102 Rev.1.02
Page 1197 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 21 Clocked Serial Interface G (CSIG)
(4)
CSIGnSTR0 - CSIG Status Register 0
This register indicates the status of the CSIG.
Access
This register can be read in 32-bit units.
However, the CSIGnDCE, CSIGnPE and CSIGnOVE bits are writable when
CSIGnCTL0.PWR is 0.
Address
<CSIGn_base1> + 04
H
Initial value
0000 0010
H
This register is initialized by a reset from any source.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
CSIGn
TSF
0
0
1
CSIGn
DCE
0
CSIGn
PE
CSIGn
OVE
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Table 21-12
CSIGnSTR0 Register Contents (1/2)
Bit Position
Bit Name
Function
7
CSIGnTSF
Transfer status flag:
0: Idle state
1: Transmission is in progress or being prepared
Conditions for setting and clearing the bit are as follows:
Master Mode
Set by
Cleared by
Transmit-only mode
Writing to the
CSIGnTX0W or
CSIGnTX0H register
Within 0.5 clock from
the last edge of
CSIGnTSCK
Transmit/Receive
mode
Receive-only mode
Reading from the
CSIGnRX0 register
Slave Mode
Set by
Cleared by
Transmit-only mode
Writing to the
CSIGnTX0W or
CSIGnTX0H register
Within 0.5 clock from
the last edge of
CSIGnTSCK
Transmit/Receive
mode
Receive-only mode
Input clock on the
CSIGnTSCK pin
Содержание V850 Series
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