CC3220MOD_017 Datasheet, PDF (53/100 Pages) Texas Instruments – SimpleLink Wi-Fi CERTIFIED Wireless MCU Modules

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CC3220MOD, CC3220MODA
SWRS206B – MARCH 2017 – REVISED AUGUST 2017
5.14.5.7 Camera Parallel Port
The fast camera parallel port interfaces with a variety of external image sensors, stores the image data in
a FIFO, and generates DMA requests. The camera parallel port supports 8 bits.
Figure 5-16 shows the timing diagram for the camera parallel port.
T3
T2
T4
pCLK
pVS, pHS
pDATA
T6
T7
Figure 5-16. Camera Parallel Port Timing Diagram
Table 5-14 lists the timing parameters for the camera parallel port.
ITEM
T2
T3
T4
T6
T7
pCLK
T_clk
t_LP
t_HT
t_IS
t_IH
Table 5-14. Camera Parallel Port Timing Parameters
NAME
DESCRIPTION
MIN
Clock frequency
Clock period
Clock low period
Clock high period
RX data setup time
RX data hold time
MAX
2
1/pCLK
T_clk/2
T_clk/2
2
2
UNIT
MHz
ns
ns
ns
ns
ns
5.14.5.8 UART
The CC3220MODx and CC3220MODAx modules include two UARTs with the following features:
• Programmable baud-rate generator allowing speeds up to 3 Mbps
• Separate 16-bit × 8-bit TX and RX FIFOs to reduce CPU interrupt service loading
• Programmable FIFO length, including a 1-byte-deep operation providing conventional double-buffered
interface
• FIFO trigger levels of 1/8, 1/4, 1/2, 3/4, and 7/8
• Standard asynchronous communication bits for start, stop, and parity
• Generation and detection of line-breaks
• Fully programmable serial interface characteristics:
– 5, 6, 7, or 8 data bits
– Generation and detection of even, odd, stick, or no-parity bits
– Generation of 1 or 2 stop-bits
• RTS and CTS hardware flow support
• Standard FIFO-level and End-of-Transmission interrupts
• Efficient transfers using µDMA:
– Separate channels for transmit and receive
– Receive single request asserted when data is in the FIFO; burst request asserted at programmed
FIFO level
– Transmit single request asserted when there is space in the FIFO; burst request asserted at
programmed FIFO level
• System clock is used to generate the baud clock.
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Specifications
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