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80C554 Datasheet(PDF) 44 Page - NXP Semiconductors

Part # 80C554
Description  80C51 8-bit microcontroller . 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP
PDF  76 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

80C554 Datasheet(HTML) 44 Page - NXP Semiconductors

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Philips Semiconductors
Preliminary specification
80C554/83C554/87C554
80C51 8-bit microcontroller – 6 clock operation
16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM,
capture/compare, high I/O, 64L LQFP
2000 Nov 10
44
Table 6.
Master Transmitter Mode
STATUS
STATUS OF THE
APPLICATION SOFTWARE RESPONSE
STATUS
CODE
(S1STA)
STATUS OF THE
I2C BUS AND
SIO1 HARDWARE
TO/FROM S1DAT
TO S1CON
NEXT ACTION TAKEN BY SIO1 HARDWARE
(S1STA)
SIO1 HARDWARE
TO/FROM S1DAT
STA
STO
SI
AA
08H
A START condition has
been transmitted
Load SLA+W
X
0
0
X
SLA+W will be transmitted;
ACK bit will be received
10H
A repeated START
diti
h
b
Load SLA+W or
X
0
0
X
As above
condition has been
transmitted
Load SLA+R
X
0
0
X
SLA+W will be transmitted;
SIO1 will be switched to MST/REC mode
18H
SLA+W has been
transmitted; ACK has
bi
d
Load data byte or
0
0
0
X
Data byte will be transmitted;
ACK bit will be received
been received
no S1DAT action or
1
0
0
X
Repeated START will be transmitted;
no S1DAT action or
0
1
0
X
STOP condition will be transmitted;
STO flag will be reset
no S1DAT action
1
1
0
X
STOP condition followed by a
START condition will be transmitted;
STO flag will be reset
20H
SLA+W has been
transmitted; NOT ACK
hb
i
d
Load data byte or
0
0
0
X
Data byte will be transmitted;
ACK bit will be received
has been received
no S1DAT action or
1
0
0
X
Repeated START will be transmitted;
no S1DAT action or
0
1
0
X
STOP condition will be transmitted;
STO flag will be reset
no S1DAT action
1
1
0
X
STOP condition followed by a
START condition will be transmitted;
STO flag will be reset
28H
Data byte in S1DAT has
been transmitted; ACK
hb
i
d
Load data byte or
0
0
0
X
Data byte will be transmitted;
ACK bit will be received
has been received
no S1DAT action or
1
0
0
X
Repeated START will be transmitted;
no S1DAT action or
0
1
0
X
STOP condition will be transmitted;
STO flag will be reset
no S1DAT action
1
1
0
X
STOP condition followed by a
START condition will be transmitted;
STO flag will be reset
30H
Data byte in S1DAT has
been transmitted; NOT
ACK h
b
i
d
Load data byte or
0
0
0
X
Data byte will be transmitted;
ACK bit will be received
ACK has been received
no S1DAT action or
1
0
0
X
Repeated START will be transmitted;
no S1DAT action or
0
1
0
X
STOP condition will be transmitted;
STO flag will be reset
no S1DAT action
1
1
0
X
STOP condition followed by a
START condition will be transmitted;
STO flag will be reset
38H
Arbitration lost in
SLA+R/W or
Db
No S1DAT action or
0
0
0
X
I2C bus will be released;
not addressed slave will be entered
Data bytes
No S1DAT action
1
0
0
X
A START condition will be transmitted when the
bus becomes free



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