This page describes the pin connections of the JZ4740 GPIO pins on the N526

BANK A

0-31: Memory data

BANK B

• 0-15: Memory address
• 17: E-Ink controller busy
• 18: E-Ink power

BANK C

• 0-15: E-Ink data
• 19: E-Ink nDC
• 20: E-Ink nWR
• 21: E-Ink nRD
• 23: E-Ink nCS
• 30: NAND busy

BANK D

• 1: E-Ink controller reset(?)
• 4: AMP enable
• 7: MMC card detect
• 8-13: MMC
• 14: LPC IRQ
• 17: MMC power
• 18-21: SPI
• 23, 24: I2C
• 25, 26: UART
• 28: Blue LED