参数资料
型号: ADSP-TS101SAB1-000
厂商: ANALOG DEVICES INC
元件分类: 数字信号处理
英文描述: 300 MHz TigerSHARC Processor with 6 Mbit on-chip SRAM; Package: 625 ball BGA; No of Pins: 625; Temperature Range: Ind
中文描述: 64-BIT, 125 MHz, OTHER DSP, PBGA625
封装: 27 X 27 MM, PLASTIC, MS-034, BGA-625
文件页数: 10/48页
文件大小: 679K
代理商: ADSP-TS101SAB1-000
Rev. C
|
Page 18 of 48
|
May 2009
ADSP-TS101S
L1DIR
O
nc
Link1 Direction. (0 = input, 1 = output)
L2DIR
2
O (pd
3)
au
Link2 Direction. (0 = input, 1 = output)
At reset this is a strap pin. For more information, see Table 16 on Page 19.
L3DIR
O (pd
nc
Link3 Direction. (0 = input, 1 = output)
1 The link port data pins, if connected or floated for extended periods (for example, token slave with no token master), do not require pull-ups or pull-downs as there are no
reliability issues and the worst-case power consumption for these floating inputs is negligible. Floating in this case means that these inputs are not driven by any source and
that dc-biased terminations are not present.
2 The internal pull-down may not be sufficient. A stronger pull-down may be necessary.
3 See Electrical Characteristics on Page 20 for maximum and minimum current consumption for pull-up and pull-down resistances.
Table 12. Pin Definitions—Impedance and Drive Strength Control
Signal
Type
Term
Description
CONTROLIMP2–1
1
CONTROLIMP0
2
I (pu
3)
I (pd
au
Impedance Control. For ADC (Address/Data/Controls) and LINK (all link port outputs) signals, the
CONTROLIMP2–0 pins control impedance as shown in Table 13. These pins enable or disable
dig_ctrl mode. When dig_ctrl:
0 = Disabled (maximum drive strength)
1 = Enabled (use DS2–0 drive strength selection)
DS2–0
I (pu
au
Digital Drive Strength Selection. Selected as shown in Table 14. For drive strength calculation, see
Output Drive Currents on Page 32. The drive strength for some pins is preset, not controlled by
the DS2–0 pins. The pins that are always at drive strength 7 (100%) are: CPA, DPA, and EMU.
Type column symbols: A = asynchronous; G = ground; I = input; O = output; o/d = open drain output; P = power supply;
pd = internal pull-down approximately 100 k; pu = internal pull-up approximately 100 k; T = three-state
Term (for termination) column symbols: epd = external pull-down approximately 10 k to VSS; epu = external pull-up approximately 10 k
to VDD-IO, nc = not connected; au = always used.
1 The internal pull-up may not be sufficient. A stronger pull-up may be necessary.
2 The internal pull-down may not be sufficient. A stronger pull-down may be necessary.
3 See Electrical Characteristics on Page 20 for maximum and minimum current consumption for pull-up and pull-down resistances.
Table 11. Pin Definitions—Link Ports (Continued)
Signal
Type
Term
Description
Type column symbols: A = asynchronous; G = ground; I = input; O = output; o/d = open drain output; P = power supply;
pd = internal pull-down approximately 100 k; pu = internal pull-up approximately 100 k; T = three-state
Term (for termination) column symbols: epd = external pull-down approximately 10 k to VSS; epu = external pull-up approximately 10 k
to VDD-IO, nc = not connected; au = always used.
Table 13. Control Impedance Selection
CONTROLIMP2–0
ADC dig_ctrl LINK dig_ctrl
000
0
001
0
010
0
1
011
reserved
100
1
0
101
reserved
110 (default)
1
111
reserved
Table 14. Drive Strength Selection
DS2–0
Drive Strength
000
Strength 0
001
Strength 1
010
Strength 2
011
Strength 3
100
Strength 4
101
Strength 5
110
Strength 6
111 (default)
Strength 7
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