2003/2/28 ver 0.1
SN11086
12 GND
13 VDD
14 FLCLE
15 FLCE1
16 FLCE3
17 FLCE5
18 FLCE7
19 LED
PWR
PWR
Digital ground
Digital 3.3V
DO 8mA
DO 8mA
DO 8mA
DO 8mA
DO 8mA
DIO 8mA PD
Flash memory command latch enable
Flash memory chip enable 1
Flash memory chip enable 3
Flash memory chip enable 5
Flash memory chip enable 7
LED lighter
20 RSTN
21 TEST
22 NC
DI
DI
-
I
O
PU
PD
Chip reset, connected to external RC circuit
Test pin, NC in normal operation
Do Not Connect
Crystal input or oscillator input
Crystal output or no connection
Digital 3.3V
-
-
-
23 XIN
-
-
-
-
24 XOUT
25 VDD
26 FLVDD
PWR
PWR
3.3V power to flash VDD
27 FLPOWERDO 8mA OC
28 GPIO0 DIO 8mA
29 ROMCS DO 4mA
Flash power control, connect to external MOS
Needs to be pulled up externally.
General Purpose Input/Output for internal test
Always pull up for normal operation
Chip select for external EEPROM
30 GND
31 VDD
PWR
PWR
Digital ground
Digital 3.3V
32 ROMSK DO 4mA
Clock for external serial EEPROM
33 ROMDI DO 4mA
34 ROMDO DO 4mA
Serial data to external EEPROM
Serial data from external EEPROM, pull up
externally if no EEPROM is connected
DO Not Connect
35 NC
-
-
-
36 FLWPSW DI
PU
Flash write protect switch
37 AVDD
38 AVSS
39 DPLUS
PWR
PWR
AIO
Analog 3.3V
Analog ground
USB D+ signal
USB D- signal
-
-
-
-
40 DMINUS AIO
41 FLCE8
42 FLCE6
43 FLCE4
DO 8mA
DO 8mA
DO 8mA
Flash memory chip enable 8
Flash memory chip enable 6
Flash memory chip enable 4
5
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