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TMP88CS38FG Datasheet(PDF) 88 Page - Toshiba Semiconductor

Part # TMP88CS38FG
Description  8-bit single chip microcomputer
PDF  226 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP88CS38FG Datasheet(HTML) 88 Page - Toshiba Semiconductor

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TMP88CS38/CM38A/CP38A
2007-09-12
88CS38-88
2.9.4
Channel Select
A serial bus interface circuit can select I/O pin when a serial bus interface is used for I2C
bus mode.
Port Switching Register
7
6
5
4
3
2
1
0
PMPXCR
(00027H)
“0”
CHS
(TC4ES) (TC3ES)
(Initial value: 00** **00)
CHS
I
2C bus Channel Select
0: Channel 0
1: Channel 1
R/W
Note 1:
When SIO mode, don’t use channel 0. Therefore, set to “1” in PMPXCR at SIO mode.
Note 2:
Always write “0” to bit7 in PMPXCR.
Note 3:
*: Don’t care
Figure 2.9.3 Channel Select
2.9.5
Software Reset
A serial bus interface circuit has a software reset function, when a serial bus interface
circuit is locked by an external noise, etc.
To occur software reset, write “01”, “10” into the SWRST (Bit1, 0 in SBICRB). During
software reset, the SWRMON (Bit0 in SBISRA) is clear to “0”.
2.9.6
The Data Format in The I
2C bus Mode
The data format when using the TMP88CS38 AND TMP88CM38A/CP38A in the I2C bus
mode are shown in as below.
Notes:
S:
Start condition
R/ W : Direction bit
ACK: Acknowledge bit
P:
Stop condition
Figure 2.9.4 Data Format in I
2C Bus Mode
1
1 or more
1 or more
1 or more
1
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
Data
1
1
Slave address
A
C
K
A
C
K
R
/
W
R
/
W
R
/
W
P
P
P
A
C
K
A
C
K
A
C
K
S
S
S
S
(a) Addressing format
(b) Addressing format (with restart)
(c) Free data format
Data
8 bits
1 to 8 bits
1 or more
1
Data
1 to 8 bits
Slave address
Slave address
Data
Data
Data
Data
8 bits
8 bits
1 to 8 bits
1 to 8 bits
1 to 8 bits
8 bits
1 to 8 bits
1
1
1
1
1
1
1
1
1



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