参数资料
型号: P89LPC921FN,112
厂商: NXP Semiconductors
文件页数: 2/46页
文件大小: 0K
描述: IC 80C51 MCU FLASH 4K 20-DIP
产品培训模块: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
标准包装: 18
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: 4KB(4K 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-DIP(0.300",7.62mm)
包装: 管件
产品目录页面: 706 (CN2011-ZH PDF)
配用: 622-1014-ND - BOARD FOR LPC9XX TSSOP
622-1008-ND - BOARD FOR LPC9103 10-HVSON
622-1006-ND - SOCKET ADAPTER BOARD
568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART
568-3510-ND - DEMO BOARD SPI/I2C TO UART
622-1002-ND - USB IN-CIRCUIT PROG LPC9XX
568-1759-ND - EMULATOR DEBUGGER/PROGRMMR LPC9X
其它名称: 568-2248-5
935280399112
P89LPC921FN
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Philips
Semiconductor
s
P89LPC920/921/922/9221
8-bit
micr
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80C51
core
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Philips
Electronics
N.V
.2004.
All
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Pr
oduct
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.08
15
December
2004
10
of
46
Table 4:
Special function registers
* indicates SFRs that are bit addressable.
Name
Description
SFR
addr.
Bit functions and addresses
Reset value
MSB
LSB
Hex
Binary
Bit address
E7
E6
E5
E4
E3
E2
E1
E0
ACC*
Accumulator
E0H
00
00000000
AUXR1
Auxiliary function register
A2H
CLKLP
EBRR
ENT1
ENT0
SRST
0
-
DPS
00[1]
000000x0
Bit address
F7
F6
F5
F4
F3
F2
F1
F0
B*
B register
F0H
00
00000000
BRGR0[2]
Baud rate generator rate
LOW
BEH
00
00000000
BRGR1[2]
Baud rate generator rate
HIGH
BFH
00
00000000
BRGCON
Baud rate generator control
BDH
-
SBRGS
BRGEN
00
xxxxxx00
CMP1
Comparator 1 control register
ACH
-
CE1
CP1
CN1
OE1
CO1
CMF1
00[1]
xx000000
CMP2
Comparator 2 control register
ADH
-
CE2
CP2
CN2
OE2
CO2
CMF2
00[1]
xx000000
DIVM
CPU clock divide-by-M
control
95H
00
00000000
DPTR
Data pointer (2 bytes)
DPH
Data pointer HIGH
83H
00
00000000
DPL
Data pointer LOW
82H
00
00000000
FMADRH
Program Flash address HIGH
E7H
00
00000000
FMADRL
Program Flash address LOW
E6H
00
00000000
FMCON
Program Flash control (Read)
E4H
BUSY
-
HVA
HVE
SV
OI
70
01110000
Program Flash control (Write)
E4H
FMCMD.
7
FMCMD.
6
FMCMD.
5
FMCMD.
4
FMCMD.
3
FMCMD.
2
FMCMD.
1
FMCMD.
0
FMDATA
Program Flash data
E5H
00
00000000
I2ADR
I2C slave address register
DBH
I2ADR.6
I2ADR.5
I2ADR.4
I2ADR.3
I2ADR.2
I2ADR.1
I2ADR.0
GC
00
00000000
Bit address
DF
DE
DD
DC
DB
DA
D9
D8
I2CON*
I2C control register
D8H
-
I2EN
STA
STO
SI
AA
-
CRSEL
00
x00000x0
I2DAT
I2C data register
DAH
I2SCLH
Serial clock generator/SCL
duty cycle register HIGH
DDH
00
00000000
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