2. Features
2.
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Features
Wide temperature range
Operating temperature range is -40°C to +105°C.
Low power consumption
Low power consumption is achieved using the power management function.
USB specifications
Upstream port
Supports HS (480 Mbps) and FS (12 Mbps) (automatic detection).
Built-in termination (no external resistor required).
Supports USB 1.1 mode operating as FS-HUB.
Downstream ports
S2R72A44: 4 ports (HS compatible port x 2, FS compatible port x 2)
S2R72A43: 3 ports (HS compatible port x 2, FS compatible port x 1)
S2R72A42: 2 ports (HS compatible port x 2)
HS compatible ports support HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps).
FS compatible ports support FS (12 Mbps) and LS (1.5 Mbps).
All ports have built-in termination (no external resistor required).
Built-in single transaction translator with four non-periodic buffers.
Supports Gang or Individual (overcurrent control).
Upstream port pin (U0_DP/U0_DM) configuration enabling straight connection to main chip.
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Other specifications
Supports 12 MHz crystal oscillator (with built-in oscillator circuit and feedback resistor).
Power supply voltage: USB power supply 3.3 V, internal core voltage 1.8 V
Package:
QFP package (48-pin, 7 mm square, 0.5 mm pitch, 1.4 mm thickness)
S2R72AxF12C4 series
SQFN package (48-pin, 7 mm square, 0.5 mm pitch, 1.0 mm thickness)
S2R72AxF07E2 series
2
Seiko Epson Corporation
S2R72A4x Series Data Sheet
(Rev.1.20)
EPSON [ EPSON COMPANY ]
