MC68340PV16VE Freescale Semiconductor, MC68340PV16VE Datasheet - Page 282

• Manufacturer Part Number: MC68340PV16VE
• Description: IC MCU 32BIT 16MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68340PV16VE

• Processor Type: M683xx 32-Bit
• Speed: 16MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

6.7.5 Function Code Register (FCR)
The FCR contains the source and destination function codes for the channel. This register
is accessible in either supervisor or user space. The FCR can always be read or written to
when the DMA module is enabled (i.e., the STP bit in the MCR is cleared).
SFC—Source Function Code Field
DFC—Destination Function Code Field
6-32
This field can be used to specify the source access to a certain address space type.
The source function code bits are defined in Table 6-6.
This field can be used to specify the destination access to a certain address space type.
The destination function code bits are defined in Table 6-6.
Although FC3 can be set for DMA transfers to distinguish the
source or destination space from other data or program
spaces, it is not required to be set. Since the CPU32 currently
has only 3-bit SFC and DFC capability, it cannot emulate
FC3 = 1 at this time. However, it is recommended that FC3 be
set to one to distinguish DMA or CPU access during debug.
FCR1, FCR2
U = Unaffected by reset.
RESET:
3
0
0
0
0
0
0
0
0
1
Freescale Semiconductor, Inc.
7
U
Table 6-6. Address Space Encoding
Function Code Bits
For More Information On This Product,
6
U
2
0
0
0
0
1
1
1
1
x
SFC
MC68340 USER’S MANUAL
Go to: www.freescale.com
5
U
1
0
0
1
1
0
0
1
1
x
4
U
NOTE
0
0
1
0
1
0
1
0
1
x
3
U
Supervisor Data Space
User Program Space
Reserved (Motorola)
Reserved (Motorola)
Supervisor Program
Supervisor/User
Address Spaces
User Data Space
Reserved (User)
2
U
CPU Space
DMA Space
DFC
$78B, $7AB
Space
1
U
0
U
MOTOROLA