TMP92CF30
2009-06-12
92CF30-474
3.18.2 SFRs
The I
2
S unit is provided with the following registers. These registers are connected to the
CPU via a 32-bit data bus. The transmission buffers I2S0BUF must be accessed using
4-byte load instructions.
I
2
S0 Control Register
7
6
5
4
3
2
1
0
bit Symbol
TXE0
*CNTE0
DIR0
BIT0
DTFMT01
DTFMT00 SYSCKE0
Read/Write R/W
R/W
Reset State
0
0
0
0
0
0
0
Function
Transmission
0: Stop
1: Start
Counter
control
0: Clear
1: Start
Transmission
start bit
0:MSB
1:LSB
Bit length
0: 8 bits
1: 16 bits
Output format
00: I
2
S 10:
Right
01: Left 11: Reserved
System
clock
0: Disable
1: Enable
I2S0CTL
(1808H)
15 14 13 12 11 10 9 8
bit Symbol
CLKS0
FSEL0
TEMP0
WLVL0
EDGE0
CLKE0
Read/Write R/W
R/W
R
R/W
Reset
State
0 0 1 0 0 0
(1809H)
Function Source
clock
0: f
SYS
1: f
PLL
Stereo
/monaural
0: Stereo
1: Monaural
Transmission
FIFO state
0: Data
1: No data
WS level
0: Low left
1: High left
Data output
clock edge
0: Falling
1: Rising
Clock
operation
(after
transmis-
sion)
0: Enable
1: Disable
I
2
S0 Divider Value Setting Register
7 6 5 4 3 2 1 0
bit Symbol
CK07
CK06
CK05 CK04 CK03 CK02 CK01 CK00
Read/Write R/W
Reset
State
0 0 0 0 0 0 0 0
Function
Divider value for CK signal (8-bit counter)
I2S0C
(180AH)
15 14 13 12 11 10 9 8
Bit
symbol
WS05 WS04 WS03 WS02 WS01 WS00
Read/Write
R/W
Reset State
0
0
0
0
0
0
(180BH)
Function
Divider value for WS signal (6-bit counter)
I
2
S0 Buffer Register
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
bit Symbol
B015 B014 B013 B012 B011
B010
B009
B008
B007
B006
B005
B004
B003 B002 B001 B000
Read/Write W
Reset State
Undefined
Function
Transmission buffer register (FIFO)
31 30 29 28 27
26
25
24
23
22
21
20
19 18 17 16
bit Symbol
B031 B030 B09 B028 B027
B026
B025
B024
B023
B022
B021
B020
B019 B018 B017 B016
Read/Write W
Reset State
Undefined
I2S0BUF
(1800H)
A read-
modify-
write
operation
cannot be
performed
Function
Transmission buffer register (FIFO)
Figure 3.18.2 I
2
S Channel 0 Control Registers
Содержание TLCS-900/H1 Series
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