Z16FMC64AG20EG Zilog, Z16FMC64AG20EG Datasheet - Page 244
Z16FMC64AG20EG
Manufacturer Part Number
Z16FMC64AG20EG
Description
Microcontrollers (MCU) 16BIT 64K FL 4K RAM 2UART 12CH 10BIT A/D
Manufacturer
Zilog
Series
Z16FMCr
Datasheet
1.Z16FMC28AG20_EG.pdf
(341 pages)
Specifications of Z16FMC64AG20EG
Processor Series
Z16FMC
Core
ZNEO
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
64 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
+ 105 C
Mounting Style
SMD/SMT
Package / Case
LQFP-64
Development Tools By Supplier
Z16FMC28200KITG
Minimum Operating Temperature
- 40 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
-40°C ~ 105°C
Lead Free Status / Rohs Status
Details
Available stocks
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Quantity
Price
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Part Number:
Z16FMC64AG20EG
Manufacturer:
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Quantity:
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Z16FMC Series Motor Control MCUs
Product Specification
222
DMA Control Bit Definitions
The following paragraphs explain the control bits of each DMA channel.
DMAxEN
This bit if set by the CPU enables the DMA channel for direct operation. Direct operation
uses the addresses and transfer length, which has been directly written to the DMA Chan-
nel by software.
If this bit is set by a descriptor read then linked list mode is enabled. Linked list operation
starts when an address is written to the DMAxLAR. This write causes the DMA to read in
the descriptor control value and addresses and place them in the DMA Channel.
LOOP
If the DMA is in linked list mode and this bit is set to 1, it prevents the DMA from updat-
ing the descriptor when the buffer is closed. This bit is set to allow lists to loop on them-
selves without software intervention.
TXSIZE
The TXSIZE bits sets the width of the transfer.
00 = 8-bit bytes are transferred on each DMA transfer. The destination and source
addresses increment or decrement by one for each transfers if the DSTCTL and/or SRC-
CTL is selected for increment or decrement. The transfer length is decremented by one.
This allows 64 Kbytes to be transferred.
01 = A 16-bit word is transferred on each DMA transfer. The destination and source
addresses increment or decrement by two if the DSTCTL and/or SRCCTL is selected for
increment or decrement. In word mode the transfer length is still decremented by one. This
allows 64 Kwords to be transferred.
10 = A 32-bit quad is transferred on each DMA transfer. The destination and source
addresses increment or decrement by four if the DSTCTL and/or SRCCTL is selected for
increment or decrement. In quad mode, the transfer length is still decremented by one.
This allows 64 Kquads to be transferred.
DSTCTL and SRCCTL Fields
The DSTCTL and SRCCTL fields control the increment or decrement of the source and
destination addresses. The address is set to increment, decrement or not change on each
DMA transfer.
00 = Fixed
01 = Increment
10 = Decrement
11 = Reserved
PS028702-1210
P R E L I M I N A R Y
DMA Controller
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