SAA5531 Philips Semiconductors, SAA5531 Datasheet - Page 20

• Manufacturer Part Number: SAA5531
• Description: Enhanced TV microcontrollers with On-Screen Display OSD
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2000 Feb 23
Power Control Register (PCON)
ARD
RFI
WLE
GF1
GF0
PD
IDL
Program Status Word (PSW)
C
AC
F0
RS1 to RS0
OV
P
Pulse Width Modulator 0 Control Register (PWM0)
PW0E
PW0V5 to PW0V0
Pulse Width Modulator 1 Control Register (PWM1)
PW1E
PW1V5 to PW1V0
Pulse Width Modulator 2 Control Register (PWM2)
PW2E
PW2V5 to PW2V0
Pulse Width Modulator 3 Control Register (PWM3)
PW3E
PW3V5 to PW3V0
Pulse Width Modulator 4 Control Register (PWM4)
PW4E
PW4V5 to PW4V0
Enhanced TV microcontrollers with
On-Screen Display (OSD)
BIT
auxiliary RAM disable bit, all MOVX instructions access the external data
memory
disable ALE during internal access to reduce radio frequency interference
Watchdog Timer enable
general purpose flag 1
general purpose flag 0
Power-down mode activation bit
Idle mode activation bit
carry bit
auxiliary carry bit
flag 0
register bank selector bits RS<1:0>:
overflow flag
parity bit
activate this PWM and take control of respective port pin (logic 1)
pulse width modulator high time
activate this PWM (logic 1)
pulse width modulator high time
activate this PWM (logic 1)
pulse width modulator high time
activate this PWM (logic 1)
pulse width modulator high time
activate this PWM (logic 1)
pulse width modulator high time
00 = Bank 0 (00H to 07H)
01 = Bank 1 (08H to 0FH)
10 = Bank 2 (10H to 17H)
11 = Bank 3 (18H to 1FH)
20
FUNCTION
Preliminary specification
SAA55xx