BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 77

• Manufacturer Part Number: BMSKTOPASA900(DCE)
• Description: KIT STARTER TMPA900 USB JTAG
• Manufacturer: Toshiba
• Series: TOPASr
• Type: MCUr

Specifications of BMSKTOPASA900(DCE)

• Contents: Evaluation Board, Cable(s), Software and Documentation
• For Use With/related Products: TMPA900CMXBG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

BOOT
USB
Note: The values to be set in the I/O registers for USB, INTC and DMAC are not described here. If these functions
(1) CPU status and port settings
(2) Control register settings by the boot program
ARM926EJ-S starts in supervisor mode after reset, and the boot program executes all
programs in supervisor mode without any mode changes.
No port settings are required as ports used in the boot program are all dedicated pins.
After the boot sequence, create a program while taking these setting values into
account.
The stack pointer and the internal RAM including the area between 0xF800_8000 and
0xF800_9FFF remain in the state after execution of the boot program. Please reset
them as appropriate before using.
are needed in a user program, reconfigure each I/O register as necessary.
Table 3.6.4 shows the control registers of internal circuits that are set by the boot
program.
SYSCR1
SYSCR2
SYSCR3
SYSCR4
SYSCR8
REMAP
【Important Notes】
Register
name
PORT
DDP
DDM
Table 3.6.3 Port settings for the boot program
Setting
0x0002
0x0087
0x0065
0x0001
0x0002
0x0030
value
Table 3.6.4 List of SFRs
Input/Output
Input/Output
Clock gear = 1/4
PLL clock is used (× 8)
Clock for USB Device Controller
Remap ON
TENTATIVE
TMPA900CM- 76
I/O
Description
Pin configuration by the boot program
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TMPA900CM
2009-10-14