參數資料
型號： P83C180
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Microcontrollers for monitors with DDC interface, auto-sync detection and sync proc(帶DDC接口，同步監(jiān)測和同步處理的監(jiān)視器微控制器)
中文描述： 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP42
封裝： 0.600 INCH, PLASTIC, SOT-270-1, SDIP-42
文件頁數： 27/84頁
文件大小： 420K
代理商： P83C180
1997 Dec 12
27
Philips Semiconductors
Product specification
Microcontrollers for monitors with DDC
interface, auto-sync detection and sync proc.
P83Cx80; P87C380
13 RESET
There are three ways to invoke a reset and initialize the
P83C880:
Via the external RESET pin
Via the built-in Power-on-reset circuitry
Via the Watchdog Timer overflow.
Figure 11 illustrates the reset mechanism. Each reset
source will activate an internal reset signal RSTOUT. The
CPU responds by executing an internal reset and puts the
internal registers in a defined state as shown in Table 29.
Table 29
Reset values of the Special Function Registers
X = Undefined. The internal RAM is not affected by reset.
ADDRESS
REGISTER
CONTENT
80H
81H
82H
83H
87H
88H
89H
8AH
8BH
8CH
8DH
90H
9CH
9DH
9EH
9FH
A0H
A8H
B0H
B8H
C0H
C1H
C6H
C7H
C8H
C9H
CAH
CBH
CCH
P0
SP
DPL
DPH
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
P1
RAMBUF
DDCCON
DDCADR
DDCDAT
P2
IEN0
P3
IP0
DFCON
ADCDAT
PWM10H
PWM10L
PWME1
PWM0
PWM1
PWM2
PWM3
1111 1111
0000 0111
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
1111 1111
0000 0000
X00X 0000
0000 0000
0000 0000
1111 1111
0X0X 0000
XXXX 1111
XX0X 0000
1000 0000
XX00 0000
0000 0000
1000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
CDH
CEH
CFH
D0H
D8H
D9H
DAH
DBH
E0H
E8H
E9H
EAH
EBH
ECH
EDH
EEH
EFH
F0H
F6H
F7H
F8H
F9H
FAH
FBH
FCH
FDH
FEH
FFH
PWM4
PWM5
PWM6
PSW
S1CON
S1STA
S1DAT
S1ADR
ACC
PWME2
DAC0
DAC1
DAC2
DAC3
PWM7
PWM8
PWM9
B
HFP
HFPOPW
MDCST
VFP
VFPOPW
PULCNT
HFHIGH
VFHIGH
VFLHFL
T2
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
1111 000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0110 0000
0000 0101
1X00 0000
0100 0000
XX00 0101
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
ADDRESS
REGISTER
CONTENT
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