Z16F2800100ZCOG Zilog, Z16F2800100ZCOG Datasheet - Page 193
Z16F2800100ZCOG
Manufacturer Part Number
Z16F2800100ZCOG
Description
DEV KIT FOR Z16F ZNEO
Manufacturer
Zilog
Series
ZNEO™r
Type
MCUr
Datasheets
1.Z16F2800100ZCOG.pdf
(2 pages)
2.Z16F2800100ZCOG.pdf
(30 pages)
3.Z16F2800100ZCOG.pdf
(388 pages)
Specifications of Z16F2800100ZCOG
Contents
Evaluation Board, Software and Documentation
For Use With/related Products
Z16F Series
For Use With
269-4661 - KIT ACC ETHERNET SMART CABLE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-4537
- Current page: 193 of 388
- Download datasheet (22Mb)
ESPI Signals
PS022008-0810
Master-In/Slave-Out
Master-Out/Slave-In
Serial Clock
Slave Select
The four ESPI signals are:
•
•
•
•
The following paragraphs describe these signals in both MASTER and SLAVE modes.
The appropriate GPIO pins must be configured using the GPIO alternate function
registers.
The MISO pin is configured as an input in a master device and as an output in a slave
device. Data is transferred to most significant bit first. The MISO pin of a slave device is
placed in a high-impedance state if the slave is not selected. When the ESPI is not enabled,
this signal is in a high-impedance state. The direction of this pin is controlled by the
bit of the ESPI control register.
The MOSI pin is configured as an output in a master device and as an input in a slave
device. Data is transferred to most significant bit first. When the ESPI is not enabled, this
signal is in a high-impedance state. The direction of this pin is controlled by the
of the ESPI control register.
The SCK synchronizes data movement both in and out of the shift register via the MOSI
and MISO pins. In MASTER mode (
serial clock and drives it out via its SCK pin to the slave devices. In SLAVE mode, the
SCK pin is an input. Slave devices ignore the SCK signal unless their SS pin is asserted.
The master and slave are each capable of exchanging a character of data during a sequence
of NUMBITS clock cycles (see NUMBITS field in the
In both master and slave ESPI devices, data is shifted on one edge of the SCK and is
sampled on the opposite edge where data is stable. SCK phase and polarity is determined
by the
The SS signal is a bidirectional framing signal with several modes of operation to support
SPI and other synchronous serial interface protocols. The SLAVE SELECT mode is
selected by the SSMD field of the ESPI mode register. The direction of the SS signal is
Master-In/Slave-Out (MISO)
Master-Out/Slave-In (MOSI)
Serial clock (SCK)
Slave select (SS)
Phase
and
Clkpol
P R E L I M I N A R Y
bits in the
MMEN = 1
ESPI Control Register
), the ESPI’s baud rate generator creates the
Enhanced Serial Peripheral Interface
ESPI Mode Register
on page 193.
Product Specification
ZNEO
on page 195).
Z16F Series
MMEN
MMEN
bit
177
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