
B-28
Seiko Epson Corporation
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
0x0020 03c0
–
0x0020 03d6
I2C (I2C) Ch.0
Address
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
0x0020
03c0
I2C_0CLK
(I2C Ch.0 Clock
Control Register)
15
–
9
–
0x00
–
R
–
8
DBRUN
0
H0
R/W
7
–
6
–
0x0
–
R
5
–
4
CLKDIV[1:0]
0x0
H0
R/W
3
–
2
–
0x0
–
R
1
–
0
CLKSRC[1:0]
0x0
H0
R/W
0x0020
03c2
I2C_0MOD
(I2C Ch.0 Mode
Register)
15
–
8
–
0x00
–
R
–
7
–
3
–
0x00
–
R
2
OADR10
0
H0
R/W
1
GCEN
0
H0
R/W
0
–
0
–
R
0x0020
03c4
I2C_0BR
(I2C Ch.0 Baud-
Rate Register)
15
–
8
–
0x00
–
R
–
7
–
0
–
R
6
–
0
BRT[6:0]
0x7f
H0
R/W
0x0020
03c8
I2C_0OADR
(I2C Ch.0 Own
Address Register)
15
–
10
–
0x00
–
R
–
9
–
0
OADR[9:0]
0x000
H0
R/W
0x0020
03ca
I2C_0CTL
(I2C Ch.0 Control
Register)
15
–
8
–
0x00
–
R
–
7
–
6
–
0x0
–
R
5
MST
0
H0
R/W
4
TXNACK
0
H0/S0
R/W
3
TXSTOP
0
H0/S0
R/W
2
TXSTART
0
H0/S0
R/W
1
SFTRST
0
H0
R/W
0
MODEN
0
H0
R/W
0x0020
03cc
I2C_0TXD
(I2C Ch.0
Transmit Data
Register)
15
–
8
–
0x00
–
R
–
7
–
0
TXD[7:0]
0x00
H0
R/W
0x0020
03ce
I2C_0RXD
(I2C Ch.0 Receive
Data Register)
15
–
8
–
0x00
–
R
–
7
–
0
RXD[7:0]
0x00
H0
R
0x0020
03d0
I2C_0INTF
(I2C Ch.0 Status
and Interrupt
Flag Register)
15
–
13
–
0x0
–
R
–
12
SDALOW
0
H0
R
11
SCLLOW
0
H0
R
10
BSY
0
H0/S0
R
9
TR
0
H0
R
8
–
0
–
R
7
BYTEENDIF
0
H0/S0
R/W
Cleared by writing 1.
6
GCIF
0
H0/S0
R/W
5
NACKIF
0
H0/S0
R/W
4
STOPIF
0
H0/S0
R/W
3
STARTIF
0
H0/S0
R/W
2
ERRIF
0
H0/S0
R/W
1
RBFIF
0
H0/S0
R
Cleared by reading the
I2C_0RXD register.
0
TBEIF
0
H0/S0
R
Cleared by writing to the
I2C_0TXD register.
Содержание S1C31D50
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Страница 463: ...25 3 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 TQFP14 80PIN ...
Страница 464: ...25 4 Seiko Epson Corporation S1C31D50 TECHNICAL MANUAL Rev 1 00 QFP15 100PIN ...