Datasheet

Rev. A | Page 25 of 80 | July 2011
ADSP-BF504/ADSP-BF504F/ADSP-BF506F
PROCESSOR—SPECIFICATIONS
Specifications are subject to change without notice.
PROCESSOR—OPERATING CONDITIONS
Table 13 shows settings for TWI_DT in the NONGPIO_DRIVE
register. Set this register prior to using the TWI port.
Parameter Conditions Min Nominal Max Unit
V
DDINT
Internal Supply Voltage Industrial Models 1.14 1.47 V
Internal Supply Voltage Commercial Models 1.10 1.47 V
Internal Supply Voltage Automotive Models 1.33 1.47 V
V
DDEXT
1,2
1
Must remain powered (even if the associated function is not used).
2
1.8 V and 2.5 V I/O are supported only on ADSP-BF504 nonautomotive models. All ADSP-BF50x flash and automotive models support 3.3 V I/O only.
External Supply Voltage 1.8 V I/O, ADSP-BF504, Nonautomotive
and Non Flash Models
1.7 1.8 1.9 V
External Supply Voltage 2.5 V I/O, ADSP-BF504, Nonautomotive
and Non Flash Models
2.25 2.5 2.75 V
External Supply Voltage 3.3 V I/O, ADSP-BF50x, All Models 2.7 3.3 3.6 V
V
DDFLASH
1,3
3
For ADSP-BF504, V
DDFLASH
pins should be connected to GND.
Flash Memory Supply Voltage 1.7 1.8 2.0 V
V
IH
High Level Input Voltage
4, 5
4
Bidirectional pins (PF15–0, PG15–0, PH2–0) and input pins (TCK, TDI, TMS, TRST, CLKIN, RESET, NMI, and BMODE3–0) of the ADSP-BF50x processors are 3.3 V tolerant
(always accept up to 3.6 V maximum V
IH
). Voltage compliance (on outputs, V
OH
) is limited by the V
DDEXT
supply voltage.
5
Parameter value applies to all input and bidirectional pins, except SDA and SCL.
V
DDEXT
= 1.90 V 1.2 V
High Level Input Voltage
4, 5
V
DDEXT
= 2.75 V 1.7 V
High Level Input Voltage
4, 5
V
DDEXT
= 3.6 V 2.0 V
V
IHTWI
High Level Input Voltage
6
6
Parameter applies to SDA and SCL.
V
DDEXT
= 1.90 V/2.75 V/3.6 V 0.7 × V
BUSTWI
7, 8
V
BUSTWI
7, 8
7
The V
IHTWI
min and max value vary with the selection in the TWI_DT field of the NONGPIO_DRIVE register. See V
BUSTWI
min and max values in Table 13.
V
V
IL
Low Level Input Voltage
4, 5
V
DDEXT
= 1.7 V 0.6 V
Low Level Input Voltage
4, 5
V
DDEXT
= 2.25 V 0.7 V
Low Level Input Voltage
4, 5
V
DDEXT
= 3.0 V 0.8 V
V
ILTWI
Low Level Input Voltage
6
V
DDEXT
= minimum 0.3 × V
BUSTWI
8
8
SDA and SCL are pulled up to V
BUSTWI
. See Table 13.
V
T
J
Junction Temperature 88-Lead LFCSP @ T
AMBIENT
= –40°C to +85°C –40 +105 °C
Junction Temperature 88-Lead LFCSP @ T
AMBIENT
= 0°C to +70°C 0 +90 °C
Junction Temperature 120-Lead LQFP @ T
AMBIENT
= –40°C to +85°C –40 +105 °C
Junction Temperature 120-Lead LQFP @ T
AMBIENT
= 0°C to +70°C 0 +90 °C
Junction Temperature 88-Lead LFCSP @ T
AMBIENT
= –40°C to +105°C –40 +125 °C
Table 13. TWI_DT Field Selections and V
DDEXT
/V
BUSTWI
TWI_DT V
DDEXT
Nominal V
BUSTWI
Minimum V
BUSTWI
Nominal V
BUSTWI
Maximum Unit
000 (default) 3.3 2.97 3.3 3.63 V
001 1.8 1.7 1.8 1.98 V
010 2.5 2.97 3.3 3.63 V
011 1.8 2.97 3.3 3.63 V
100 3.3 4.5 5 5.5 V
101 1.8 2.25 2.5 2.75 V
110 2.5 2.25 2.5 2.75 V
111 (reserved)—————