PAC5250_17 Datasheet, PDF (58/70 Pages) Active-Semi, Inc – Power Application Controller

PAC5250
Power Application Controller
data.
18.3. UART Controller
The UART peripheral is a configurable peripheral that can support various features and modes of operation:
 Programmable clock selection
 National Instruments PC16550D compatible
 16-deep transmit and receive FIFO and fractional clock divisor
 Up to 3.125Mbps communication speed (with HCLK = 50MHz)
The UART peripheral may operate either by polling, or can be configured to be interrupt driven for both receive and
transmit data.
18.4. SPI Controller
The device contains an SPI controller that can each be used in either master or slave operation, with the following features:
 SPI master operation
 Control of up to three different SPI slaves
 Operation up to 25MHz
 Flexible multiple transmit mode for variable-size SPI data with user-defined chip-select behavior
 Chip select “shaping” through programmable additional delay for chip-select setup, hold and wait time
for back-to-back transfers
 SPI master or slave operation
 Supports clock phase and polarity control
 Data transmission/reception can be on 8-, 16-, 24- or 32-bit boundary
 Selectable data bit ordering (LSB or MSB first)
 Programmable chip select polarity
 Selectable “auto-retransmit” mode
The SPI peripheral may operate either by polling, or can be configured to be interrupt driven for both receive and transmit
data.
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Rev 1.7‒April 15, 2016