Datasheet
ADSP-BF538/ADSP-BF538F
Rev. E | Page 23 of 60 | November 2013
SPECIFICATIONS
Note that component specifications are subject to change
without notice.
OPERATING CONDITIONS
Parameter Conditions Min Nom Max Unit
V
DDINT
V
DDINT
Internal Supply Voltage
Internal Supply Voltage
533 MHz Speed Grade Models
1,
2
400 MHz Speed Grade Models
1,
2
1
The regulator can generate V
DDINT
at levels of 0.85 V to 1.2 V with –5% to +10% tolerance and 1.25 V with –4% to +10% tolerance
2
See Ordering Guide on Page 58.
0.8
0.8
1.25
1.2
1.375
1.32
V
V
V
DDEXT
External Supply Voltage Models with on-chip flash
2
2.7 3.3 3.6 V
V
DDEXT
External Supply Voltage Models without on-chip flash
2,
3
3
When V
DDEXT
< 2.70 V, on-chip voltage regulation is not supported.
2.25 3.0 3.6 V
V
DDRTC
Real-Time Clock Power Supply
Voltage
2.25 3.6 V
V
IH
High Level Input Voltage
4
4
The 3.3 V tolerant pins are capable of accepting up to 3.6 V maximum V
IH
The following bidirectional pins are 3.3 V tolerant: DATA15–0, SCK2–0, MISO2–0, MOSI2–0,
PF15–0, PPI3–0, SPI1SS, SPI1SEL1, PC9–5, SPI2SS, SPI2SEL1, RX2–1, TX2–1, TSCLK3–0, RSCLK3–0, TFS3–0, RFS3–0, DT2PRI, DT2SEC, DR2PRI, DR2SEC, DT3PRI,
DT3SEC, DR3PRI, DR3SEC, and TMR2–0. The following input-only pins are 3.3 V tolerant: RESET, RX0, TCK, TDI, TMS, TRST, ARDY, BMODE1–0, BR, DR0PRI,
DR0SEC, DR1PRI, DR1SEC, NMI, PPI_CLK, and RTXI.
V
DDEXT
= Maximum 2.0 V
V
IH5V
High Level Input Voltage
5
5
The 5 V tolerant pins are capable of accepting up to 5.5 V maximum V
IH
. The following bidirectional pins are 5 V tolerant: SCL0, SCL1, SDA0, SDA1, CANTX, CANRX, and
PC4. The following input-only pin is 5 V tolerant: GPW.
V
DDEXT
= Maximum 2.0 V
V
IHCLKIN
High Level Input Voltage
6
6
Parameter value applies to the CLKIN input pin.
V
DDEXT
= Maximum 2.2 V
V
IL
Low Level Input Voltage
4,
7
7
Parameter value applies to all input and bidirectional pins.
V
DDEXT
= Minimum +0.6 V
V
IL5V
Low Level Input Voltage
5
V
DDEXT
= Minimum +0.8 V
T
J
Junction Temperature 316-Ball Chip Scale Package Ball Grid Array (CSP_BGA)
@ T
AMBIENT
= –40°C to +85°C
–40 +110 °C