MC56F8345 Freescale Semiconductor, Inc, MC56F8345 Datasheet - Page 13

• Manufacturer Part Number: MC56F8345
• Description: 56f8300 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

Note:
Note:
Freescale Semiconductor
Preliminary
* EMI not functional in this package; since only part of
the address/data bus is bonded out, use as GPIO pins
JTAG Port
Controller
External
Module
Linking
Flash memories are encapsulated within the Flash Memory (FM) Module. Flash control is
accomplished by the I/O to the FM over the peripheral bus, while reads and writes are completed
between the core and the Flash memories.
The primary data RAM port is 32 bits wide. Other data ports are 16 bits.
CHIP
TAP
TAP
NOT available on the 56F8145 device.
5
JTAG / EOnCE
56800E
cdbr_m[31:0]
xdb2_m[15:0
pdb_m[15:0]
cdbw[31:0]
Figure 1-1 System Bus Interfaces
xab1[23:0]
xab2[23:0]
pab[20:0]
56F8345 Technical Data, Rev. 17
Data RAM
IPBus
Bridge
IPBus
Program
Program
EMI*
Flash
Data
RAM
Flash
Flash
Boot
11
4
6
Memory
Module
Flash
Architecture Block Diagram
To Flash
Control
Logic
Address
Data
Control
13