參數(shù)資料
型號(hào)： SAA55XX
廠商： NXP Semiconductors N.V.
英文描述： TV microcontrollers with Closed Captioning (CC) and On-Screen Display (OSD)
中文描述： 與隱藏字幕（CC）和屏幕顯示（OSD電視微控制器）
文件頁數(shù)： 17/84頁
文件大小： 352K
代理商： SAA55XX
2000 Feb 23
17
Philips Semiconductors
Preliminary specification
TV microcontrollers with Closed Captioning (CC)
and On-Screen Display (OSD)
SAA55xx
Table 3
SFR bit description
BIT
FUNCTION
Accumulator (ACC)
ACC7 to ACC0
accumulator value
B Register (B)
B7 to B0
B register value
CC data byte 1 (CCDAT1)
CCD17 to CCD10
closed caption first data byte
CC data byte 2 (CCDAT2)
CCD26 to CCD20
closed caption second data byte
CC line (CCLIN)
CS4 to CS0
closed caption slice line using 525-line number
Data Pointer High byte (DPH)
DPH7 to DPH0
data pointer high byte, used with DPL to address auxiliary memory
Data pointer Low byte (DPL)
DPL7 to DPL0
data pointer low byte, used with DPH to address auxiliary memory
Interrupt Enable Register (IE)
EA
EBUSY
ES2
ECC
ET1
EX1
ET0
EX0
disable all interrupts (logic 0), or use individual interrupt enable bits (logic 1)
enable BUSY interrupt
enable I
2
C-bus interrupt
enable closed caption interrupt
enable Timer 1 interrupt
enable external interrupt 1
enable Timer 0 interrupt
enable external interrupt 0
Interrupt Priority Register (IP)
PBUSY
PES2
PCC
PT1
PX1
PT0
PX0
priority EBUSY interrupt
priority ES2 Interrupt
priority ECC interrupt
priority Timer 1 interrupt
priority external interrupt 1
priority Timer 0 interrupt
priority external interrupt 0
Port 0 (P0)
P07 to P00
Port 0 I/O register connected to external pins
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