Z16FMC28AG20SG Zilog, Z16FMC28AG20SG Datasheet - Page 242
![Microcontrollers (MCU) 16BIT 128K FL 4KRAM 2UART 12CH 10BIT A/D](/photos/39/69/396954/tqfp-64_sml.jpg)
Z16FMC28AG20SG
Manufacturer Part Number
Z16FMC28AG20SG
Description
Microcontrollers (MCU) 16BIT 128K FL 4KRAM 2UART 12CH 10BIT A/D
Manufacturer
Zilog
Series
Z16FMCr
Datasheet
1.Z16FMC28AG20_EG.pdf
(341 pages)
Specifications of Z16FMC28AG20SG
Processor Series
Z16FMC
Core
ZNEO
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
4 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
46
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
LQFP-64
Development Tools By Supplier
Z16FMC28200KITG
Minimum Operating Temperature
0 C
Core Processor
ZNEO
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
46
Eeprom Size
-
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Lead Free Status / Rohs Status
Details
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Z16FMC Series Motor Control MCUs
Product Specification
220
Buffers
A buffer is an allocation of contiguous memory bytes. Buffers are allocated by software to
be used by the DMA. The DMA transfers data to or from buffers. A typical application
2
would be to send data to serial channels such as I
C, UART and SPI. The data to be sent is
placed in a buffer by software.
Frames
A frame is a single buffer or a collection of buffers. Frame boundaries spans multiple
buffers.
Source Address Register
The source address register (SAR) points to the data to be transferred. Each time a transfer
occurs the SAR is selected to stay fixed or increment/decrement by the size of the transfer
(example 1, 2, 4). If we were sending data to a serial channel, the SAR points to the data to
be transferred and the SAR would be set to increment or decrement depending on the
order of data in the buffer (ascending or desending).
Destination Address Register
The destination address register (DAR) points to the location to store the data transferred
from the address pointed to by the SAR. Each time a transfer occurs the DAR is selected
to stay fixed or increment/decrement by the size of the transfer (for example, 1, 2 and 4).
When sending data to a serial channel, the DAR points to the data register of the serial
channel and is set to a fixed address. Each transfer is then sent to the serial channel data
register because the DAR would not change.
Transfer Length
The transfer length register (TXLN) is used to specify how many transfers need to occur to
transfer this buffer. If we were sending bytes to a serial channel, the value of the number of
bytes in the buffer pointed to by the SAR would be placed in this register. Each time a
PS028702-1210
P R E L I M I N A R Y
DMA Controller
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