參數(shù)資料
型號： TDA7503
廠商： STMICROELECTRONICS
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁數(shù)： 26/30頁
文件大小： 297K
代理商： TDA7503
5/30
TDA7503
27
VSS7
GND
–
VSS
Power Ground.
28
VDD7
PWR
–
VDD
3.3V Power Supply.
29
DSP1_GPIO0
I/O
–
100pF
4mA
General-Purpose for DSP1 (Input/Output). Dedicated
general-purpose I/O pin connected to DSP0. Under
control of the GPIODIR and GPIODAT registers inside
the core.
30
DSP0_GPIO0
I/O
–
100pF
4mA
General-Purpose for DSP0 (Input/Output). Dedicated
general-purpose I/O pin connected to DSP0. Under
control of the GPIODIR and GPIODAT registers inside
the core.
31
XPSEN
I/O
I
200pF
8mA
Microcontroller
External
Program
Memory
Enable.
External program memory enable pin. Active Low.
Changes functionality to RD when Microcontroller is
fetching instructions out of internal AUX ram. Controlled
by the PSSEL and PSBIT bits in the PINCTL register.
32
RA11(P2.3)
I/O
I
200pF
8mA
Microcontroller High Byte Address Lines. This pin is the
address line 11 of a 16 bit address, for external EPROM
and memory mapped devices.
33
RA9(P2.1)
I/O
I
200pF
8mA
Microcontroller High Byte Address Lines. This pin is the
address line 9 of a 16 bit address, for external EPROM
and memory mapped devices.
34
RA8(P2.0)
I/O
I
200pF
8mA
Microcontroller High Byte Address Lines. This pin is the
address line 8 of a 16 bit address, for external EPROM
and memory mapped devices.
35
RA13(P2.5)
I/O
I
200pF
8mA
Microcontroller High Byte Address Lines. This pin is the
address line 13 of a 16 bit address, for external EPROM
and memory mapped devices.
36
RA14(P2.6)
I/O
I
200pF
8mA
Microcontroller High Byte Address Lines. This pin is the
address line 14 of a 16 bit address, for external EPROM
and memory mapped devices.
37
RA15(P2.7)
I/O
I
200pF
8mA
Microcontroller High Byte Address Lines. This pin is the
address line 15 of a 16 bit address, for external EPROM
and memory mapped devices.
38
RA12(P2.4)
I/O
I
200pF
8mA
Microcontroller High Byte Address Lines. This pin is the
address line 12 of a 16 bit address, for external EPROM
and memory mapped devices.
39
SRA10/DRA6
O
High
200pF
8mA
DSP SRAM Address Line 10/DSP DRAM Address Line 6.
When in SRAM Mode these pins act as the EMI address
line 10.When in DRAM Mode they act as the EMI address
line 6.
40
DRD
O
High
200pF
8mA
DSP SRAM Read Enable/DRAM Read Enable. This pin
serves as the read enable for the EMI when in DRAM and
SRAM Modes.
41
SRA11/DRA7
O
High
200pF
8mA
DSP SRAM Address Line 11/DSP DRAM Address Line 7.
When in SRAM Mode these pins act as the EMI address
line 11. When in DRAM Mode they act as the EMI
address line 7.
PIN DESCRIPTION (continued)
N.
Name
Type
Reset
Status
O/P
Load
Buffer
Function
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