參數資料
型號: 8XC552
廠商: NXP Semiconductors N.V.
英文描述: 80C51 FAMILY DERIVATIVES
中文描述: 80C51系列衍生物
文件頁數: 48/60頁
文件大小: 382K
代理商: 8XC552
Philips Semiconductors
80C51 Family Derivatives
8XC552/562 overview
1996 Aug 06
48
Table 10.
Input/Output Ports
PORT PIN
ALTERNATE FUNCTION
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
Multiplexed lower order address/data bus used
during external memory accesses
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
CT0I
CT1I
CT2I
CT3I
T2
RT2
SCL
SDA
Capture timiner input signals for timer T2
T2 event input
T2 timer reset signal. Rising edge triggered
Serial port clock line I
2
C bus
Serial port data line I
2
C bus
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
A8
A9
A10
A11
A12
A13
A14
A15
High order address byte used during
external memory accesses
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
RxD
TxD
INT0
INT1
T0
T1
WR
RD
Serial input port (UART)
Serial output port (UART)
External interrupt 0
External interrupt 1
Timer 0 external input
Timer 1 external input
External data memory write strobe
External data memory read strobe
P4.0
P4.1
P4.2
P4.3
P4.4
P4.5
P4.6
P4.7
CMSR0
CMSR1
CMSR2
CMSR3
CMSR4
CMSR5
CMT0
CMT1
Timer T2: compare and set/reset outputs on a
match with timer T2
Timer T2: compare and toggle outputs on a match
with timer T2
P5.0
P5.1
P5.2
P5.3
P5.4
P5.5
P5.6
P5.7
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
Eight analogue ADC inputs
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