CP3BT23_14 Datasheet, PDF (222/324 Pages) Texas Instruments – CP3BT23 Reprogrammable Connectivity Processor with Bluetooth and Dual CAN Interfaces

CP3BT23
SNOSCX3A – JULY 2013 – REVISED JANUARY 2014
Figure 22-7 illustrates the interrupt generation logic of this module.
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Figure 22-7. MWSPI Interrupts
22.5 MICROWIRE INTERFACE REGISTERS
Software interacts with the Microwire interface by accessing the Microwire registers. There are three such
registers:
Name
MWDAT
MWCTL
MWSTAT
Table 22-2. Microwire Interface Registers
Address
F3A0h
F3A2h
F3A4h
Description
Microwire Status Register
Microwire Status Register
FF F3A4h Microwire Status Register
22.5.1 Microwire Data Register (MWDAT)
The MWDAT register is a word-wide, read/write register used to transmit and receive data through the
MDODI and MDIDO pins. The register format is shown below.
7
0
MWDAT
Figure 22-8 shows the hardware structure of the register.
Figure 22-8. MWDAT Register
222 Microwire/SPI Interface
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