参数资料
型号: P89LPC9221FDH,518
厂商: NXP Semiconductors
文件页数: 4/46页
文件大小: 0K
描述: IC 80C51 MCU 8KB FLASH 20TSSOP
标准包装: 2,500
系列: LPC900
核心处理器: 8051
芯体尺寸: 8-位
速度: 18MHz
连通性: I²C,UART/USART
外围设备: 欠压检测/复位,LED,POR,PWM,WDT
输入/输出数: 18
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.4 V ~ 3.6 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
包装: 带卷 (TR)
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Philips
Semiconductor
s
P89LPC920/921/922/9221
8-bit
micr
ocontr
oller
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with
tw
o-c
loc
k
80C51
core
9397
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Philips
Electronics
N.V
.2004.
All
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Pr
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Re
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.08
15
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2004
12
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46
P1M2
Port 1 output mode 2
92H
(P1M2.7) (P1M2.6)
-
(P1M2.4) (P1M2.3) (P1M2.2) (P1M2.1) (P1M2.0) 00[1]
00x0xx00
P3M1
Port 3 output mode 1
B1H
-
(P3M1.1) (P3M1.0) 03[1]
xxxxxx11
P3M2
Port 3 output mode 2
B2H
-
(P3M2.1) (P3M2.0) 00[1]
xxxxxx00
PCON
Power control register
87H
SMOD1
SMOD0
BOPD
BOI
GF1
GF0
PMOD1
PMOD0
00
00000000
PCONA
Power control register A
B5H
RTCPD
-
VCPD
-
I2PD
-
SPD
-
00[1]
00000000
Bit address
D7
D6
D5
D4
D3
D2
D1
D0
PSW*
Program status word
D0H
CY
AC
F0
RS1
RS0
OV
F1
P
00H
00000000
PT0AD
Port 0 digital input disable
F6H
-
PT0AD.5
PT0AD.4
PT0AD.3
PT0AD.2
PT0AD.1
-
00H
xx00000x
RSTSRC
Reset source register
DFH
-
BOF
POF
R_BK
R_WD
R_SF
R_EX
RTCCON
Real-time clock control
D1H
RTCF
RTCS1
RTCS0
-
ERTC
RTCEN
RTCH
Real-time clock register
HIGH
D2H
00[6]
00000000
RTCL
Real-time clock register LOW
D3H
00[6]
00000000
SADDR
Serial port address register
A9H
00
00000000
SADEN
Serial port address enable
B9H
00
00000000
SBUF
Serial Port data buffer
register
99H
xx
xxxxxxxx
Bit address
9F
9E
9D
9C
9B
9A
99
98
SCON*
Serial port control
98H
SM0/FE
SM1
SM2
REN
TB8
RB8
TI
RI
00
00000000
SSTAT
Serial port extended status
register
BAH
DBMOD
INTLO
CIDIS
DBISEL
FE
BR
OE
STINT
00
00000000
SP
Stack pointer
81H
07
00000111
TAMOD
Timer 0 and 1 auxiliary mode
8FH
-
T1M2
-
T0M2
00
xxx0xxx0
Bit address
8F
8E
8D
8C
8B
8A
89
88
TCON*
Timer 0 and 1 control
88H
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
00
00000000
TH0
Timer 0 HIGH
8CH
00
00000000
TH1
Timer 1 HIGH
8DH
00
00000000
TL0
Timer 0 LOW
8AH
00
00000000
TL1
Timer 1 LOW
8BH
00
00000000
TMOD
Timer 0 and 1 mode
89H
T1GATE
T1C/T
T1M1
T1M0
T0GATE
T0C/T
T0M1
T0M0
00
00000000
Table 4:
Special function registers…continued
* indicates SFRs that are bit addressable.
Name
Description
SFR
addr.
Bit functions and addresses
Reset value
MSB
LSB
Hex
Binary
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