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RELEASE
Revision B1
©Serious Integrated, Inc.
40
CONNECTORS
The following table summarizes the signals available on the various connectors. Not all capabilities are available on all
variants: consult the
SIM535 Family Member (Variant) Overview
.
Signal(s)
JST
16
1
FCI
60
2
SPP
3
TC
4
USB
F
5
USB
H
6
Schematic
Net Names
Notes
Power
+VEXT
1
5
1
+VEXT
+3V3
1
1
1
+3V3
USBF_VBUS
1
1
1
USBF_VBUS
Only used to sense presence of external USB host
USBH_VUSB
1
1
USBH_VUSB
GND
1
5
1
4
1
1
GND
PWRDWN#
1
1
PWRDWN#
Open Drain; puts system is in shutdown/power-off
mode
Reset & Debug
E10
1
8
1
8
TMS,TMI,TDO,TCK,TRS
T#
RESET#,ASEBRK#,ASEM
D#
All JTAG-level debugging via Tag-Connect TC2070
RESET# only on JST16, SPP
USB
USB Device
2
2
2
USBF_DM/USBF_DP
Also GND & USBF_VBUS
USB Host
2
2
USBH_DM/USBH_DP
Also GND & USBH_VUSB
Serial Communications
UART Comm
3
3
PJ14/TXD6-UART0_TX
PE6/RXD6-UART0_RX
PJ31-TX_CONTROL
Main UART for attached host communications
TX_CONTROL used for half duplex transmit enable.
UART/GPIO
2
PE7/RXD7-UART1_RX
PJ15/TXD7-UART1_TX
Unused by most daughter cards, but available if
needed.
CAN
2
PB21/A21/CRX2/IERXD
PB22/A22/CTX2/IETXD
/CS4#
I2C Comm
2
PE4/SCL2
PE5/SDA2
Unused on SIM; available for Master/Slave daughter
card uses. Must provide external pull-ups if used.
I2C
Devices/Com
m
2
2
2
PE2/SCL1
PE3/SDA1
This bus shares all the on-SIM I2C devices.
Default comms device for SCM117.
SIM always I2C Master and has pull-ups on both
lines.
SPI (shared)
3
3
3
PB17/RSPCK0
PB19/MOSI0
PB20/MISO0
SIM always SPI Master; shared between on-board
Serial FLASH and external daughter card or attached
device
Comm
CS#/IRQ#
2
2
PJ12-PH1/AN1
PJ22/IRQ2-PH5/AN5
SSL# for daughter card SPI slave
Incoming IRQ# means daughter card has data
Both signals require external pull-up if used
FLASH CS#
1
1
PB18/SSL00#
SSL# for on-SIM Serial FLASH; on-SIM pull-up
FLASH
RST#
1
PF2-SFRST#
Enables overriding of boot Serial FLASH on daughter
card
Other I/O
DAC
1
1
DAC_OUT
From 10-bit DAC; rail-to-rail 3.3V output
I2S
5
PF4/SSISCK0
PF5/SSIWS0
PF6/SSITxD0
PF7/SSIRxD0
PE1/AUDIO_CLK
Full duplex; unused on SIM -- for external audio
GPIO/ADC
1
PJ13-PH2/AN2
Dual connected to MCU for ADC or GPIO usage
GPIO/IRQ
1
PJ23/IRQ3
NC
8
2
1
1
Total
16
60
14
14
5
4
1
J8:
16-pin Power/Communications Connector
2
J7:
60-pin Expansion Connector
3
J9:
SHIP Programming Port
4
J1:
Tag-Connect JTAG Port
5
J5:
USB2.0 High Speed Embedded Host Port
6
J6:
USB Micro B Device Port
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