User's Manual

© 2014 Microchip Technology Inc. Preliminary DS60001270C-page 7
CY920
Table 1-2 provides the function of the pins in the
J301-basic connector.
TABLE 1-2: J301-BASIC CONNECTOR
PIN
Number
Signal GPIO Function
PIN
Number
Signal GPIO Function
1 VIN (1.2V) —
Power supply
2 VIN (2.5V) —
Power supply
3 VIN (1.2V) — 4 VIN (2.5V) —
5GND— 6 GND —
7 VIN (1.8V) — 8 VIN (3.3V) —
9 VIN (1.8V) — 10 VIN (3.3V) —
11 GND — 12 VIN(3.3V RTC) —
13 SPF0 GPIO-16 iPod Access
Power
14 GND —
15 NRESET — System Reset 16 UART_RXD1 —
Debug
UART
17 SPF1 GPIO-17 Ethernet
Reset
18 UART_TXD1 —
19 MII_TXD3 GPIO-09 IR input 20 AV4DATA1 — SPDIF input
21 GND — Power supply 22 AV4DATA0 — SPDIF output
23 SPI_DIN —
SPI
24 GND — Power supply
25 SPI_DOUT — 26 AV2CTRL1 — MCLK
27 SPI_CLK — 28 AV2CTRL0 — LRCK
29 SPI_NCS0 — 30 AV2CLK — SCLK
31 GND — Power supply 32 AV2DATA1 — A/D data 0
33 MII_TXD2 GPIO-08 Factory Reset 34 AV2DATA0 — D/A data 0
35 I2C_SDA —
I
2
C
36 GND — Power supply
37 I2C_SCL — 38 ETH_LED_SPEED — Ethernet
39 AV2DATA2 — D/A Data 1 40 AV2DATA3 — D/A data 2
41 MII_RXD2 GPIO-10 SPI_REQ 42 ETH_LED_ACT — Ethernet
43 AV3CTRL0 GPIO-05 — 44 GND — Power supply
45 GND — Power supply 46 ETH_TXP —
Ethernet
47 AV3CLK GPIO-04 — 48 ETH_TXN —
49 HDDATA14 GPIO-14 — 50 ETH_RXP —
51 HDDATA15 GPIO-15 — 52 ETH_RXN —
53 GND — Power supply 54 GND — Power supply
55 USB_OTG_DN —
USB
56 EXT_PA_EN1_5 GPIO-19 Reserved
57 USB_OTG_DP — 58 MII_RXD3 GPIO-11 —
59 USB_PWR_EN — 60 AV3CTRL1 GPIO-06 Chip Select for
external Flash
61 USB_VBUS — 62 EXP_PA_EN1_24 GPIO-18 HD_INT
63 USB_ID — 64 GND — Power supply
Note 1: The connector definitions are subject to change in future revisions of this document.