Toshiba H1 Series Data Book page 501

3.18.2 SFRs
The I S unit is provided with the following registers. These registers are connected to the
2
CPU via a 32-bit data bus. The transmission buffers I2S0BUF and I2S1BUF must be accessed
using 4-byte load instructions.
I2S0CTL
bit Symbol
(1808H)
Read/Write
After reset
Function
bit Symbol
Read/Write
(1809H)
After reset
Function
bit Symbol
I2S0C
(180AH)
Read/Write
After reset
Function
Bit symbol
(180BH)
Read/Write
After reset
Function
I2S0BUF
bit Symbol
(1800H)
Read/Write
Read-modify-
After reset
write
Function
instructions
cannot be
used.
bit Symbol
Read/Write
After reset
Function
7 6
TXE0 *CNTE0
R/W R/W
0 0
Counter
Transmission
control
0: Stop 0: Clear
1: Start 1: Start
15 14
CLKS0
R/W
0
Source
clock
0: f
SYS
1: f
PLL
I2S0 Divider Value Setting Register
7 6
CK07 CK06 CK05
R/W R/W R/W
0 0
15 14
WS05
R/W
15 14 13 12 11
B015 B014 B013 B012 B011
31 30 29 28 27
B031 B030 B09 B028 B027
Figure 3.18.2 I
I2S0 Control Register
5 4 3
DIR0 BIT0
R/W R/W
0 0
Bit length
Transmissio
n start bit
0:MSB 0: 8 bits
1:LSB 1: 16 bits
13 12 11
FSEL0 TEMP0
R/W R
0 1
Stereo
Transmissio
/monaural
n FIFO state
0: Stereo 0: Data
1: Monaural 1: No data
5 4 3
CK04 CK03
R/W R/W
0 0 0
Divider value for CK signal (8-bit counter)
13 12 11
WS04 WS03
R/W R/W
0 0 0
Divider value for WS signal (6-bit counter)
I2S0 Buffer Register
10 9 8 7
B010 B009 B008 B007 B006
W
Undefined
Transmission buffer register (FIFO)
26 25 24 23 22
B026 B025 B024 B023 B022
W
Undefined
Transmission buffer register (FIFO)
2
S Channel 0 Control Registers
92CZ26A-498
2 1
DTFMT01 DTFMT00 SYSCKE0
R/W R/W
0 0
Output format
2
00: I S 10: Right
01: Left 11: Reserved
10 9
WLVL0 EDGE0
R/W R/W
0 0
WS level Data output
clock edge
0: Low left
1: High left 0: Falling
1: Rising
2 1
CK02 CK01
R/W R/W
0 0
10 9
WS02 WS01
R/W R/W
0 0
6 5 4 3 2
B005 B004 B003 B002
21 20 19 18
B021 B020 B019 B018
TMP92CZ26A
0
R/W
0
System
clock
0: Disable
1: Enable
8
CLKE0
R/W
0
Clock
operation
(after
transmis-
sion)
0: Enable
1: Disable
0
CK00
R/W
0
8
WS00
R/W
0
1 0
B001 B000
17 16
B017 B016