ADSP-TS202S_06 AD [Analog Devices], ADSP-TS202S_06 Datasheet - Page 19

• Manufacturer Part Number: ADSP-TS202S_06
• Description: TigerSHARC Embedded Processor
• Manufacturer: AD [Analog Devices]

Table 15. Pin Definitions—Power, Ground, and Reference
Signal
V
V
V
V
V
SCLK_V
V
NC
I = input; A = asynchronous; O = output; OD = open-drain output; T = three-state; P = power supply; G = ground; pd = internal pull-down
5 k
pull-up 500
= internal pull-up 40 k
Term (termination of unused pins) column symbols: epd = external pull-down approximately 5 k
imately 5 k
DD
DD_A
DD_IO
DD_DRAM
REF
SS
Ω
; pu = internal pull-up 5 k
REF
Ω
Ω
to V
on DSP ID = 0; pd_m = internal pull-down 5 k
DD_IO
, nc = not connected; na = not applicable (always used); V
Ω
. For more pull-down and pull-up information, see
Type
P
P
P
P
I
I
G
—
Ω
; pd_0 = internal pull-down 5 k
Term
na
na
na
na
na
na
na
nc
Rev. C | Page 19 of 48 | December 2006
Description
V
V
V
V
Reference voltage defines the trip point for all input buffers, except SCLK, RST_IN,
POR_IN, IRQ3–0, FLAG3–0, DMAR3–0, ID2–0, CONTROLIMP1–0, LxDATO3–0P/N,
LxCLKOUTP/N, LxDATI3–0P/N, LxCLKINP/N, TCK, TDI, TMS, and TRST. V
connected to a power supply or set by a voltage divider circuit as shown in
For more information, see Filtering Reference Voltage and Clocks on Page 10.
System Clock Reference. Connect this pin to a reference voltage as shown in
For more information, see Filtering Reference Voltage and Clocks on Page 10.
Ground Pins
No Connect. Do not connect these pins to anything (not to any supply, signal, or each
other). These pins are reserved and must be left unconnected.
DD
DD
DD
DD
Pins for Internal Logic
Pins for Analog Circuits. Pay critical attention to bypassing this supply.
Pins for I/O Buffers
Pins for Internal DRAM
Ω
Ω
on DSP bus master; pu_m = internal pull-up 5 k
on DSP ID = 0; pu_0 = internal pull-up 5 k
Electrical Characteristics on Page
DD_IO
= connect directly to V
Ω
to V
Ω
on DSP ID = 0; pu_od_0 = internal
SS
DD_IO
; epu = external pull-up approx-
22.
Ω
; V
on DSP bus master; pu_ad
SS
= connect directly to V
ADSP-TS202S
REF
can be
Figure
Figure
6.
7.
SS