STD0550 ST Microelectronics, Inc., STD0550 Datasheet - Page 15

• Manufacturer Part Number: STD0550
• Description: Matrix Display Digital TV Processor
• Manufacturer: ST Microelectronics, Inc.

Ball Connections
2
15/32
Audio DAC (Digital Decoder)
D24
C26
C25
C24
B26
B25
A26
H22,
J22
D25
Clock and Reset (Digital Decoder)
P3
E19
P14
N23
PIOs and Communication (Digital Decoder - Slave CPU)
D3
Y2
G1
V3
W3
Y1
F1
G3
U1
U2
G4
U3
T3
W2
T1
G2
H3
Ball
Ball Connections
Alternate functions printed in Italic show a suggested use of the PIO; alternate functions not
printed in Italic are multiplexed with a specific hardware.
DAC_SCLK
DAC_PCMOUT0
DAC_PCMOUT1
DAC_PCMOUT2
DAC_PCMCLK
DAC_LRCLK
SPDIF_OUT
VDD_PCM
VSS_PCM
RESET
VDD_PLL
VSS_PLL
PIX _CLK
PIO0[0]
PIO0[1]
PIO0[2]
PIO0[3]
PIO0[4]
PIO0[5]
PIO0[6]
PIO0[7]
PIO1[0]
PIO1[1]
PIO1[2]
PIO1[3]
PIO1[4]
PIO1[5]
TRIGGER_IN
TRIGGER_OUT
PIO2[0]
Ball Name
Oversampling clock
PCM_OUT0
PCM_OUT1
PCM_OUT2
PCM_CLOCK
Left/right clock
SPDIF_OUT
VDD frequency synthesizer: 1.8 V
VSS frequency synthesizer: GND
Chip reset
VDD PLL = 1.8 V
GND PLL = GND
27MHz main clock
PIO0[0]
PIO0[1]
PIO0[2]
PIO0[3]
PIO0[4]
PIO0[5]
PIO0[6]
PIO0[7]
PIO1[0]
PIO1[1]
PIO1[2]
PIO1[3]
PIO1[4]
PIO1[5]
Trigger in for DCU
Trigger out for DCU
PIO2[0]
Table 2: Pins sorted by function
Main Function
EXT_AUD_REQ
UART0_DATA (SC0_DATA)
TTX_IN_CLOCK
SC0_DETECT
SSC0_DATA (MTSROUT/MRSTIN)
SSC0_CLOCK
SC external
clock
PARA_DVALID
UART2_RXD
PARA_SYNC
UART3_DATA (SC1_DATA)
Input
Alternate Function
EXT_AUD_CLK
EXT_AUD_DATA
EXT_AUD_WCLK
SC0_CLOCK
SC0_RST
SC0_CMD_VCC
SC0_DATA_DIR/
DVB_OE
DVB_IORD
DVB_IOWR
UART2_TXD
UART1_TXD
DVB_WE
OSD_ACTIVE
Output
STD0550
Type
O
O
I/O
O
I/O
O
O
PWR
PWR
I
PWR
PWR
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
I/O
I/O
I/O