TDA9550 PHILIPS [NXP Semiconductors], TDA9550 Datasheet - Page 22
TDA9550
Manufacturer Part Number
TDA9550
Description
TV signal processor-Teletext decoder with embedded m-Controller
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.TDA9550.pdf
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Philips Semiconductors
Table 3 SFR Bit description
2000 Jun 22
TDACH
TDACL
TH0
TH1
TL0
TL1
TMOD
TV signal processor-Teletext decoder with
embedded -Controller
Names
TD<13:8>
TH0<7:0>
TH1<7:0>
TL0<7:0>
TL1<7:0>
TD<7:0>
M1,M0
TPWE
GATE
GATE
TR1
TR0
TF0
C/T
C/T
IE1
IT1
IE0
IT0
Timer 1 Run control bit. Set/Cleared by software to turn Timer/Counter on/off.
Timer 0 overflow Flag. Set by hardware on Timer/Counter overflow.Cleared by hardware when processor vectors to interrupt routine.
Timer 0 Run control bit. Set/Cleared by software to turn Timer/Counter on/off.
Interrupt 1 Edge flag (both edges generate flag). Set by hardware when external interrupt edge detected.Cleared by hardware when interrupt
processed.
Interrupt 1 Type control bit. Set/Cleared by Software to specify edge/low level triggered external interrupts.
Interrupt 0 Edge l flag. Set by hardware when external interrupt edge detected.Cleared by hardware when interrupt processed.
Interrupt 0 Type flag.Set/Cleared by Software to specify falling edge/low level triggered external interrupts.
0 - Disable Tuning Pulse Width Modulator.
1 - Enable Tuning Pulse Width Modulator.
Tuning Pulse Width Modulator High Byte.
Tuning Pulse Width Modulator Low Byte.
Timer 0 high byte.
Timer 1 high byte.
Timer 0 low byte.
Timer 1 low byte.
GATE
Gating Control Timer /Counter 1.
Counter/Timer 1 selector.
Mode control bits Timer/Counter 1.
M1,M0 = 00, 8 bit timer or 8 bit counter with divide by 32 pre-scaler.
M1,M0 = 01, 16 bit time interval or event counter.
M1,M0 = 10, 8 bit time interval or event counter with automatic reload upon overflow. Reload value stored in TH1.
M1,M0 = 11, stopped.
Gating control Timer/Counter 0.
Counter/Timer 0 selector.
TH0<7>
TH1<7>
TL0<7>
TL1<7>
TD<7>
TPWE
BIT7
C/T
TH0<6>
TH1<6>
TL0<6>
TL1<6>
TD<6>
BIT6
1
Timer / Counter 1
M1
TD<13>
TH0<5>
TH1<5>
TL0<5>
TL1<5>
TD<5>
BIT5
M0
TH0<4>
TH1<4>
TD<12>
TL0<4>
TL1<4>
TD<4>
BIT4
22
GATE
TD<11>
TH0<3>
TH1<3>
TL0<3>
TL1<3>
TD<3>
BIT3
TDA955X/6X/8X PS/N1 series
C/T
TD<10>
TH0<2>
TH1<2>
TL0<2>
TL1<2>
TD<2>
BIT2
Timer / Counter 0
M1
TH0<1>
TH1<1>
TL0<1>
TL1<1>
TD<9>
TD<1>
BIT1
Tentative Device Specification
M0
TH0<0>
TH1<0>
TL0<0>
TL1<0>
TD<8>
TD<0>
BIT0
RESET
40H
00H
00H
00H
00H
00H
00H
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