参数资料
型号: M37161MF-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 21/129页
文件大小: 1092K
代理商: M37161MF-XXXSP
Rev.1.00
2003.11.25
page 117 of 128
M37161M8/MA/MF-XXXSP/FP,M37161EFSP/FP
b7 b6 b5 b4 b3 b2 b1 b0
0
B
Name
Functions
After reset RW
Read/write bit
(RBW)
1
to
7
Slave address
(SAD0 to SAD6)
<Only in 10-bit addressing (in slave) mode>
The last significant bit of address data is
compared.
0: Wait the first byte of slave address after
START condition
(read state)
1: Wait the first byte of slave address after
RESTART condition (write state)
<In both modes>
The address data is compared.
I2C Address Register
I2C address register (S0D) [Address 00F716]
0
R —
RW
b7
b3 b2 b1 b0
I2C status register (S1) [Address 00F816]
I
2
r
0
3
4
5
6, 7
b7 b6
0
0 : Slave recieve mode
0
1 : Slave transmit mode
1
0 : Master recieve mode
1
1 : Master transmit mode
1
2
0
1
0
B
Name
Functions
After reset
Communication mode
specification bits
(TRX, MST)
0 : Bus free
1 : Bus busy
Bus busy flag (BB)
0 : Interrupt request issued
1 : No interrupt request issued
I2C-BUS interface interrupt
request bit (PIN)
0 : Not detected
1 : Detected
Arbitration lost detecting flag
(AL) (See note)
0 : Address mismatch
1 : Address match
Slave address comparison
flag (AAS) (See note)
0 : No general call detected
1 : General call detected
General call detecting flag
(AD0) (See note)
0 : Last bit = “0 ”
1 : Last bit = “1 ”
Last receive bit (LRB)
(See note)
Note : These bits and flags can be read out, but cannnot be written.
Indeterminate
0
W
R
R —
RW
(See note)
Address 00F716
Address 00F816
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