參數(shù)資料
型號(hào)： P80C557E6
廠商： NXP Semiconductors N.V.
英文描述： Single-chip 8-bit microcontroller(單片8位微控制器)
中文描述： 單芯片8位微控制器（單片8位微控制器）
文件頁(yè)數(shù)： 34/64頁(yè)
文件大小： 476K
代理商： P80C557E6
Philips Semiconductors
Product specification
P83C557E6/P80C557E6
Single-chip 8-bit microcontroller
1999 Mar 02
34
The data shift register S1DAT
This register contains the serial data to be transmitted or data which
has been received. Bit 7 is transmitted or received first; i.e. data is
shifted from right to left.
Figure 32. Data shift register.
7
6
5
4
3
2
1
0
S1DAT (DAH)
S1DAT.7
S1DAT.6
S1DAT.5
S1DAT.4
S1DAT.3
S1DAT.2
S1DAT.1
S1DAT.0
The address register S1ADR
This 8–bit register may be loaded with the 7–bit slave address to
which the controller will respond when programmed as a slave
receiver/transmitter. The LSB (GC) is used to determine whether the
general call address is recognized.
Figure 33. Address register.
7
6
5
4
3
2
1
0
S1ADR (DBH)
SLA6
SLA5
SLA4
SLA3
SLA2
SLA1
SLA0
GC
Table 32.
Description of S1ADR bits
SYMBOL
BIT
FUNCTION
SLA6 to 0
S1ADR.7 to 1
Own slave address
GC
S1ADR.0
0 = general call address is not recognized
1 = general call address is recognized
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