參數(shù)資料
型號: P89LPC921FDH,518
廠商: NXP Semiconductors
文件頁數(shù): 3/46頁
文件大小: 0K
描述: IC 80C51 MCU 4KB FLASH 20TSSOP
標(biāo)準(zhǔn)包裝: 2,500
系列: LPC900
核心處理器: 8051
芯體尺寸: 8-位
速度: 18MHz
連通性: I²C,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,LED,POR,PWM,WDT
輸入/輸出數(shù): 18
程序存儲器容量: 4KB(4K x 8)
程序存儲器類型: 閃存
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.4 V ~ 3.6 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
包裝: 帶卷 (TR)
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Philips
Semiconductor
s
P89LPC920/921/922/9221
8-bit
micr
ocontr
oller
s
with
tw
o-c
loc
k
80C51
core
9397
750
14469
K
oninklijk
e
Philips
Electronics
N.V
.2004.
All
r
ights
reser
v
ed.
Pr
oduct
data
Re
v
.08
15
December
2004
11
of
46
I2SCLL
Serial clock generator/SCL
duty cycle register LOW
DCH
00
00000000
I2STAT
I2C status register
D9H
STA.4
STA.3
STA.2
STA.1
STA.0
0
F8
11111000
Bit address
AF
AE
AD
AC
AB
AA
A9
A8
IEN0*
Interrupt enable 0
A8H
EA
EWDRT
EBO
ES/ESR
ET1
EX1
ET0
EX0
00[1]
00000000
Bit address
EF
EE
ED
EC
EB
EA
E9
E8
IEN1*
Interrupt enable 1
E8H
-
EST
-
EC
EKBI
EI2C
00[1]
00x00000
Bit address
BF
BE
BD
BC
BB
BA
B9
B8
IP0*
Interrupt priority 0
B8H
-
PWDRT
PBO
PS/PSR
PT1
PX1
PT0
PX0
00[1]
x0000000
IP0H
Interrupt priority 0 HIGH
B7H
-
PWDRT
H
PBOH
PSH/
PSRH
PT1H
PX1H
PT0H
PX0H
00[1]
x0000000
Bit address
FF
FE
FD
FC
FB
FA
F9
F8
IP1*
Interrupt priority 1
F8H
-
PST
-
PC
PKBI
PI2C
00[1]
00x00000
IP1H
Interrupt priority 1 HIGH
F7H
-
PSTH
-
PCH
PKBIH
PI2CH
00[1]
00x00000
KBCON
Keypad control register
94H
-
PATN
_SEL
KBIF
00[1]
xxxxxx00
KBMASK
Keypad interrupt mask
register
86H
00
00000000
KBPATN
Keypad pattern register
93H
FF
11111111
Bit address
87
86
85
84
83
82
81
80
P0*
Port 0
80H
T1/KB7
CMP1
/KB6
CMPREF
/KB5
CIN1A
/KB4
CIN1B
/KB3
CIN2A
/KB2
CIN2B
/KB1
CMP2
/KB0
Bit address
97
96
95
94
93
92
91
90
P1*
Port 1
90H
-
RST
INT1
INT0/
SDA
T0/SCL
RXD
TXD
Bit address
B7
B6
B5
B4
B3
B2
B1
B0
P3*
Port 3
B0H
-
XTAL1
XTAL2
P0M1
Port 0 output mode 1
84H
(P0M1.7) (P0M1.6) (P0M1.5) (P0M1.4) (P0M1.3) (P0M1.2) (P0M1.1) (P0M1.0) FF
11111111
P0M2
Port 0 output mode 2
85H
(P0M2.7) (P0M2.6) (P0M2.5) (P0M2.4) (P0M2.3) (P0M2.2) (P0M2.1) (P0M2.0) 00
00000000
P1M1
Port 1 output mode 1
91H
(P1M1.7) (P1M1.6)
-
(P1M1.4) (P1M1.3) (P1M1.2) (P1M1.1) (P1M1.0) D3[1]
11x1xx11
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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