User's Manual
Table Of Contents
- 2035-UM1xx.book
- Table of Contents
- List of Figures
- List of Tables
- Section 1: Introduction
- Section 2: Hardware System Overview
- Section 3: BCM2035 Usage Models
- Section 4: Hardware Configuration
- Section 5: Software Configuration
- Introduction
- Hardware Power-Up Sequence
- Boot ROM Power-Up Sequence
- Firmware Power-Up Sequence
- BCM2035 Mini-Drivers
- Loading Mini-Drivers from USB
- Load Mini-Drivers From UART
- SCO Configuration
- Frequency Trimming
- UART Sleep Mode Operation
- Section 6: Configuration Data File System
- Section 7: Vendor-Specific HCI Command Reference
- Section 8: ASCII Hex File Download Protocol
- Section 9: ASCII HEX File Format
- Section 10: Configuration Data Download Protocol
- Section 11: Configuration Data Image Format
- Section 12: UART Start-up Sequence
- Section 13: USB Start-up Sequence
9/29/2004 OV4F2
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BCM2035 User Manual
04/23/03
Broadcom Corporation
Page 46 Load Mini-Drivers From UART Document 2035-UM100-R
Figure 26: Power-On Clock Stable to Mode-0 Boot ROM Ready for Baud Rate Negotiation and Mini-
Driver Download
Table 8: Power-On Clock Stable to Boot ROM (All Modes) Ready for Baud Rate Negotiation and Mini-
Driver Download Description Table
Description Time Min Typical Max
Clock stable to autobaud-signal max TASmax - 100 us -
Autobaud-signal to autobaud-character min TASTAmin - 50 us -
Autobaud-signal to autobaud-character max Ttac - infinity -
Autobaud character to RTS Trtsa - 100 us -
RTS to autobaud-character response over
UART
TARu - 150 us -
Clock Stable
CTS
0x55
RXD
!RTS
0x34 0x31
TXD
!CTS
RTS
TASmax
TASTAmax
TARu
T
r
t
s
a
TASTAmin