mcs7860 MosChip, mcs7860 Datasheet - Page 5

• Manufacturer Part Number: mcs7860
• Description: Usb 2.0 Link Controller With Phy
• Manufacturer: MosChip

Pin Name
Rev. 1.2
RPUB
DPB
DMB
RREFB
XTAL2B
XTAL1B
XTALSEL
AGND
AVCC (3.3V)
GND
VCC (2.5V)
VCC (3.3V)
TEST
80
80
79
78
75
74
17
2
Type
Pwr
Pwr
Pwr
Pwr
Pwr
I/O
I/O
I/O
O
I
I
I
I
Description
Internal reference current input. Requires external resistor (1.5 k-ohm
+/- 0.1%) to AVCC (Analog 3.3V Power).
USB2.0 data pin Data positive pin terminal.
USB2.0 data pin Data negative pin terminal.
Internal voltage reference input. Requires external resistor to GND,
(12.1k-ohm +/- 0.1 %).
Crystal Oscillator Output (12/30 MHz). See XTALSEL pin description.
Crystal Oscillator Input (12/30 MHz).
Crystal frequency select pin (pull-up). When it is connected to 3.3V Power
Supply or left open 30 MHz external crystal or clock is required to func-
tion. a Low on this pin will operate with external 12 MHz crystal or clock.
Analog Ground:
1, 6, 55, 60, 64, 77
3.3V Analog power supply.
5, 7, 54, 56, 65, 76
Digital Ground.
18, 33, 46, 68, 71, 73
2.5V Digital power supply.
16, 27, 45, 69, 70, 72
Digital Power Supply (3.3V).
20, 34, 47
Following pins are used for functional testing and should be left open.
14-15, 21-26, 28-32, 35-44, 48-53
USB 2.0 Link Controller with PHY
MCS7860
Page 5