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Teilenummer | eAM512 |
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Beschreibung | 16 Bits DSP Sound Processor | |
Hersteller | ELAN Microelectronics | |
Logo | ||
Gesamt 18 Seiten eAM Series
16 Bits DSP
Sound Processor
Product
Specification
DOC. VERSION 1.7
ELAN MICROELECTRONICS CORP.
DEC 2009
eAM Series
16 Bits DSP Sound Processor
• 40 GPIO + 8 Outputs
• Serial Peripheral Interface (SPI)
• 12-bit Analog to Digital Converter (ADC) with touch panel and MIC inputs
3 Block Diagram
Program
Co unter
ROM
Instructi on
Dec ode r
Control
Unit
C ontol S ignals
I/O Space
( SF R)
G eneral
P ur pos e
Regi sters
17 x17
Multiplier /
Di vi der
(+16 bi tALU)
A CC
D
R AM
ALU
Status Reg
P or tA~ D
ADC
DAC
INT
P WM
Timer
RTC
WDT
SP I
OSC /P LL
Figure 3-1 ELAN eAM System Block Diagram
2 • Product Specification (V1.7) 12.1.2009
(This specification is subject to change without further notice)
6 Page eAM Series
16 Bits DSP Sound Processor
Port B Attributes and Definitions
Name
Function Type
Description
PB [7:0]
GPIO
I/O General-purpose I/O function
I
Wake-up function with programmable pull-up
resistor
PB [15:8]
GPIO
I/O General-purpose I/O function
I
Wake-up function with programmable pull-up
resistor
Port C Attributes and Definitions
Name
Function Type
Description
PC [1:0]
GPIO
I/O General-purpose I/O function
I Input with programmable pull-up resistor
PC [7:2]
GPIO
I/O General-purpose I/O function
Input with programmable pull-up resistor
ADIN2~7
I Analog Input channels
Note: Port C [7:2] is pin-shared with ADC input. There is no Schmitt Trigger Input when input is from
Port C [7:2]
Port D Attributes and Definitions
Name
PD [0]
PD [1]
PD [2]
PD [3]
PD [4]
PD [5]
PD [6]
PD [7]
Function
GPO
GPO
GPO
GPO
GPO
GPO
GPO
GPO
Type
O
O
O
O
O
O
O
O
Description
General-purpose output function with high drive
current (1 * Tg delay) *
General-purpose output function with high drive
current (5 * Tg delay) *
General-purpose output function with high drive
current (2 * Tg delay) *
General-purpose output function with high drive
current (6 * Tg delay) *
General-purpose output function with high drive
current (3 * Tg delay) *
General-purpose output function with high drive
current (7 * Tg delay) *
General-purpose output function with high drive
current (4 * Tg delay) *
General-purpose output function with high drive
current (8 * Tg delay) *
* Tg = 4 nano-second for low noise design consideration
8 • Product Specification (V1.7) 12.1.2009
(This specification is subject to change without further notice)
12 Page | ||
Seiten | Gesamt 18 Seiten | |
PDF Download | [ eAM512 Schematic.PDF ] |
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