STD0550 ST Microelectronics, Inc., STD0550 Datasheet - Page 23

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

Ball Connections
23/32
EMI Address Bus, Master CPU
Controls
Master CPU System Controls
AE11
AC11
AD11
AE10
AC10
AD10
AE17
AC17
AD17
AD12
AC12
AE12
AD13
AC13
AD16
AE13
AC22
AC16
AE23
AD23
AE22
AC23
AD15
AC15
AE15
AD14
AC14
AE14
AF10
AF17
AF11
AF13
AF23
AF16
AF15
AF14
Ball
AF9
P1
NOT_CS_SDRAM
NOT_CS_FLASH
CKOUT_SDRAM
CKIN_SDRAM
SDRAM_D10
SDRAM_D11
SDRAM_D12
SDRAM_D13
SDRAM_D14
SDRAM_D15
RD_NOTWR
SDRAM_D8
SDRAM_D9
Ball Name
NOT_RAS
NOT_CAS
ADDR_12
ADDR_13
ADDR_14
ADDR_15
ADDR_16
NOT_BE0
NOT_BE1
ADDR_10
ADDR_11
ADDR_17
ADDR_18
ADDR_19
ADDR_0
ADDR_1
ADDR_2
ADDR_3
ADDR_4
ADDR_5
ADDR_6
ADDR_7
ADDR_8
ADDR_9
XTALIN
SDRAM Data Bus 8
SDRAM Data Bus 9
SDRAM Data Bus 10
SDRAM Data Bus 11
SDRAM Data Bus 12
SDRAM Data Bus 13
SDRAM Data Bus 14
SDRAM Data Bus 15
Address Bus 0
Address Bus 1
Address Bus 2
Address Bus 3
Address Bus 4
Address Bus 5
Address Bus 6
Address Bus 7
Address Bus 8
Address Bus 9
Address Bus 10
Address Bus 11
Address Bus 12
Address Bus 13
Address Bus 14
Address Bus 15 / BA0
Address Bus 16 / BA1
Address Bus 17
Address Bus 19 / Not_BE3
SDRAM Write Enable / Flash
Write Enable*
Flash Chip Select
SDRAM Chip Select
SDRAM Row Address Strobe
SDRAM Column Address Strobe /
Flash Output Enable*
SDRAM Byte Enable 0
SDRAM Byte Enable 1
Clock Output for SDRAM
SDRAM Clock Feedback
27 MHz Crystal Input
Address Bus 18 / Not_BE2
Table 2: Pins sorted by function
Main Function
Input
Alternate Function
Output
STD0550
Type
I
I
I
I
I
I
I
I
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
27
MHz
I
n/a
3.3V
3.3V
3.3V
3.3V
3.3V