mc56f8335 Freescale Semiconductor, Inc, mc56f8335 Datasheet - Page 35

• Manufacturer Part Number: mc56f8335
• Description: 16-bit Digital Signal Controller
• Manufacturer: Freescale Semiconductor, Inc

3.3 Registers
When referring to the register definitions for the OCCS in the 56F8300 Peripheral User Manual, use the
register definitions without the internal Relaxation Oscillator, since the 56F8335/56F8135 devices do
NOT contain this oscillator.
Part 4 Memory Map
4.1 Introduction
The 56F8335 and 56F8135 devices are 16-bit motor-control chips based on the 56800E core. These parts
use a Harvard-style architecture with two independent memory spaces for Data and Program. On-chip
RAM and Flash memories are used in both spaces.
This section provides memory maps for:
On-chip memory sizes for each device are summarized in
identified in the “Use Restrictions” column of
Note: Data Flash and Program RAM are NOT available on the 56F8135 device.
Freescale Semiconductor
Preliminary
Program Flash
•
•
On-Chip Memory
Program Address Space, including the Interrupt Vector Table
Data Address Space, including the EOnCE Memory and Peripheral Memory Maps
Figure 3-4 Connecting an External Clock Signal Register
56F8335
64KB
Table 4-1 Chip Memory Configurations
External
XTAL
Clock
56F8335 Technical Data, Rev. 5
56F8135
EXTAL
64KB
V
SS
Table
Note: When using an external clocking
source with this configuration, the input
“CLKMODE” should be high and COHL bit in
the OSCTL register should be set to 1.
CDBW
4-1.
Erase / Program via Flash interface unit and word writes to
Table
4-1. Flash memories’ restrictions are
Use Restrictions
Registers
35