User Guide

42
No. PORT
DN-C640
Connection
Function I/O DET Ext Ini Res
G20 EGPIO[11] USB_DACK O PU Pu
−− USB_DACK ISP1582
H1 DQMN[3] DQM3- O
−−−− SDRAM DQM3 SDRAM
H2 CASNCAS-O
−−−− SDRAM CASSDRAM
H3 RASNRAS-O
−−−− SDRAM RASSDRAM
H4 SDCSN[2] SDCS2- O
−−−− No Use NC
H5 CVDD VDD_CORE
−−−−− Power supply(+1.8V) +1.8V
H8 GND GND
−−−−− GND GND
H9 GND GND
−−−−− GND GND
H10 GND GND
−−−−− GND GND
H11 GND GND
−−−−− GND GND
H12 GND GND
−−−−− GND GND
H13 GND GND
−−−−− GND GND
H16 RVDD VDD
−−−−− Power supply(+3.3V) +3.3V
H17 RTCXTALO RTCXTALO O
−−−− TP for OSCNC
H18 ADC_VDD ADC_VDD
−−−−− ADC Power supply(+3.3V) +3.3V
H19 ADC_GND ADC_GND
−−−−− ADC_GND GND
H20 XP XP A No Use NC
J1 DA[21] DA21 I/O PU
−−− Memory Data Bus 21 ROM/RAM
J2 DQMN[0] DQM0- O
−−−− SDRAM DQM0 SDRAM
J3 DQMN[1] DQM1- O
−−−− SDRAM DQM1 SDRAM
J4 DQMN[2] DQM2- O
−−−− SDRAM DQM2 SDRAM
J5 GND GND
−−−−− GND GND
J8 GND GND
−−−−− GND GND
J9 GND GND
−−−−− GND GND
J10 GND GND
−−−−− GND GND
J11 GND GND
−−−−− GND GND
J12 GND GND
−−−−− GND GND
J13 GND GND
−−−−− GND GND
J16 CVDD VDD_CORE
−−−−− Power supply(+1.8V) +1.8V
J17 RTCXTALI RTCXTALI O
−−−− RTC OSC(RTC CLK 32.768KHz
）
OSC
J18 XM XM A No Use NC
J19 YP YP A No Use NC
J20 YM YM A No Use NC
K1 AD[22] AD22 O
−−−− Memory Address Bus 22 ROM/RAM
K2 DA[20] DA20 I/O PU
−−− Memory Data Bus 20 ROM/RAM
K3 AD[21] AD21 O
−−−− Memory Address Bus 21 ROM/RAM
K4 DA[19] DA19 I/O PU
−−− Memory Data Bus 19 ROM/RAM
K5 RVDD VDD
−−−−− Power supply(+3.3V) +3.3V
K8 GND GND
−−−−− GND GND
K9 GND GND
−−−−− GND GND
K10 GND GND
−−−−− GND GND
K11 GND GND
−−−−− GND GND
K12 GND GND
−−−−− GND GND
K13 GND GND
−−−−− GND GND
K16 CVDD VDD_CORE
−−−−− Power supply(+1.8V) +1.8V
K17 SYM SYM A No Use NC
K18 SYP SYP A No Use NC
K19 SXM SXM A No Use NC
K20 SXP SXP A No Use NC
L1 DA[18] DA18 I/O PU
−−− Memory Data Bus 18 ROM/RAM
L2 DA[17] DA17 I/O PU
−−− Memory Data Bus 17 ROM/RAM
L3 DA[16] DA16 I/O PU
−−− Memory Data Bus 16 ROM/RAM
L4 DA[15] DA15 I/O PU
−−− Memory Data Bus 15 ROM/RAM
L5 GND GND
−−−−− GND GND
L8 GND GND
−−−−− GND GND
L9 GND GND
−−−−− GND GND
L10 GND GND
−−−−− GND GND
L11 GND GND
−−−−− GND GND
L12 GND GND
−−−−− GND GND
L13 GND GND
−−−−− GND GND
L16 CVDD VDD_CORE
−−−−− Power supply(+1.8V) +1.8V
L17 COL[5] COL[5] I PU
−−− KEY Input 5 SW
L18 COL[7] COL[7] I PU
−−− No Use NC
L19 RSTON RSTON O − PU
−− RESET Output NC
Q018 : EP9312 - CBZ-E1