參數(shù)資料
型號： P87C770AAR
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Microcontrollers for NTSC TVs with On-Screen Display OSD and Closed Caption CC
中文描述： 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
文件頁數(shù)： 13/80頁
文件大小： 266K
代理商： P87C770AAR
1999 Jun 11
13
Philips Semiconductors
Product specification
Microcontrollers for NTSC TVs with On-Screen
Display (OSD) and Closed Caption (CC)
P8xCx70 family
9.4
Control registers
9.4.1
S
TANDBY
C
ONTROL
R
EGISTER
(STBCON)
Table 6
Standby Control Register (SFR address 92H)
Table 7
Description of STBCON bits
9.4.2
P
OWER
C
ONTROL
R
EGISTER
(PCON)
Idle and Power-down modes are activated by software via the Special Function Register PCON.
Table 8
Power Control Register (SFR address 87H)
Table 9
Description of PCON bits
7
6
5
4
3
2
1
0
STBY
BIT
SYMBOL
STBY
DESCRIPTION
7 to 1
0
These 7-bits are reserved.
Standby mode selection.
When STBY = 1, the device enters Standby mode.
7
6
5
4
3
2
1
0
WLE
GF1
GF0
PD
IDL
BIT
SYMBOL
WLE
DESCRIPTION
7 to 5
4
These 3 bits are reserved.
Watchdog Load Enable.
If WLE = 1, the Watchdog Timer can be loaded. If WLE = 0,
the Watchdog Timer cannot be loaded.
General purpose flag 1.
General purpose flag 0.
Power-down mode selection.
If PD = 1, the Power-down mode is entered (provided
that the EW bit in SFR BWC is LOW).
Idle mode selection.
If IDL = 1, the Idle mode is entered. If IDL = 0, the Idle mode is
inhibited, i.e.normal operation.
3
2
1
GF1
GF0
PD
0
IDL
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