参数资料
型号: P83C280
厂商: NXP SEMICONDUCTORS
元件分类: 微控制器/微处理器
英文描述: Microcontrollers for monitors with DDC interface, auto-sync detection and sync proc(带DDC接口,同步监测和同步处理的监视器微控制器)
中文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, PLASTIC, SOT-270-1, SDIP-42
文件页数: 44/84页
文件大小: 420K
代理商: P83C280
1997 Dec 12
44
Philips Semiconductors
Product specification
Microcontrollers for monitors with DDC
interface, auto-sync detection and sync proc.
P83Cx80; P87C380
Fig.23 DDC interface block diagram.
handbook, full pagewidth
MGG030
CR2 ENS STA STO
SI
AA
CR1 CR0
0
0
0
SC0
SC1
SC2
SC3
SC4
BUS CLOCK GENERATOR
SHIFT REGISTER
MONITOR ADDRESS
0
1
7
DDC1 HOLD REGISTER
DDC1 TRANSMITTER
INITIALIZATION SYNCHRONIZATION
ARBITRATION LOGIC
S1ADR(DBH)
S1DAT(DAH)
S1CON(D8H)
S1STA(D9H)
DDC2B/DDC2AB/DDC2B
+
INTERFACE
DDC1/DDC2
DETECTION
SIO2
I
AUX-RAM
BUFFER
RAMBUF
ADDRESS POINTER
SDA1
SCL1
VCLK
(from S1CON)
SI
INT
(interrupt vector 002BH)
DDCDAT(9FH)
DDC1
enable
DDC1_int
SWH_int
SWENB
EX_DAT
M0
DDCCON(9DH)
RAMBUF(9CH)
DDCADR(9EH)
相关PDF资料
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