39
Pin #
PIC Port Type
Signal Name
Description
1 MCLR-
Input
note 1
DVRESET- Reset signal to both MC504 and SiI504
(Requires Vih min =0.8V
DD,
NOT TTL)
2 RA0 Bidir
DVSDA
Local Serial Port Data
3 RA1 Output DVSCL Local Serial Port Clock
4 RA2 Input
TTL
SUBT -
Subtitle Detect: low = look for out-of-sequence
subtitles, high = no subtitles
5 RA3 Input
TTL
FILM-
Film Bias Mode: low = film bias mode, high =
normal detection mode.
Do not set low unless this
signal can be dynamically controlled.
6 RA4 Input
ST
PFDA -
PFDA Enabled: low = enable software assist, high
= disable software-assist
7 RA5 Input
TTL
SA
Serial Port Address Bit - tracks SiI504 Serial
Address bit 0High selects address 0xEC, low selects
address0xE2
8 VSS Pwr/Gnd
VSS
Ground
9 OSC1
Input
note 1
OSC1 Crystal Input 20MHz
(Requires Vih min =0.7V
DD,
NOT TTL)
10 OSC2 Output OSC2 Crystal Output 20MHz
11 RC0 Input
ST
GMODE- Game Mode enable: low = game mode enabled,
high = disabled
12 RC1 Input
ST
EXTGMD- Game mode detect: low = external detect (pin 11),
high = auto-detect
13 RC2 Input
ST
RSVD1
Always tie this pin High
14 RC3 Bidir
ST
SCL
External Serial Port Clock
15 RC4 Bidir
ST
SDA
External Serial Port Data
16 RC5 Input
ST
RSVD0
Reserved
17 RC6 Output RSVD-TX Reserved serial port transmit
18 RC7 Input
ST
RSVD-RX Reserved serial port receive
19 VSS Pwr/Gnd
VSS
Ground
20 VDD Pwr/Gnd
VDD
+5V
21 RB0 Input
ST
DEINTDONE-
Interrupt input pin. Connect to DeIntDone-
signal from SiI504, an open drain signal. Pull-up
to 5V with 4.7K resistor
(
Requires Vih min =0.8V
DD,
NOT TTL
)
22 RB1 Input
TTL
GPIO_0
General Purpose I/O pin 0
23 RB2 Output PRMODE0
Processing mode encoding 0
24 RB3 Output PRMODE1
Processing mode encoding 1
25 RB4 Input
TTL
SQMODE- Squeeze Mode: low = squeeze mode, high = normal
26 RB5 Input
TTL
YPRPB-
Color Space Select: low = YPrPb, high = RGB
27 RB6 Input
TTL
GPIO_1
General Purpose I/O pin 1
28 RB7 Input
TTL
WAVE-
Wave (or Anti-burn-in) mode: low = enabled, high
= disabled
(Only relevant for squeeze mode.)
ST:
Schmitt Trigger Input. See Section 4 for more details.
TTL: TTL
level input. See Section 4 for more details.
Note 1: MCLR and OSC1 input levels are specified in Section 4.
QH71:MC504