ISA3 Ember, ISA3 Datasheet - Page 90

• Manufacturer Part Number: ISA3
• Description: INSIGHT ADAPTER 3 FOR EM35X
• Manufacturer: Ember

Specifications of ISA3

• Accessory Type: Adapter
• For Use With/related Products: EM35x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 636-1022

The GPIO pins that can be assigned to these signals are shown in Table 8-5.
8.4.2
Both serial controllers, SC1 and SC2, support SPI slave mode. SPI slave mode is enabled by the following
register settings:
The SPI slave controller receives its clock from an external SPI master device and supports rates up to 5 Mbps.
Direction
GPIO Configuration
SC1 pin
SC2 pin
The serial controller mode register, SCx_MODE, is 2
The SC_SPIMST bit in the SPI configuration register, SCx_SPICFG, is 0
Set Up and Configuration
MOSI
Input
Input
PB2
PA0
Table 8-5. SPI Slave GPIO Usage
Final
8-15
Alternate Output
(push-pull)
Output
MISO
PB1
PA1
SCLK
Input
Input
PB3
PA2
EM351 / EM357
nSSEL
Input
Input
PB4
PA3
120-035X-000G