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 48 Load Mini-Drivers From UART Document 2035-UM100-R
Figure 28: Last ASCII Record to Corresponding ACK
Table 11: Last ASCII Record to Corresponding ACK Description Table
Description Time Min Typical Max
Last ASCII record received to ACK Note:
Current ASCII download is limited to ~330
Kbps regardless of baud rate.
Tlta - 40 us 1.6 ms
Last ASCII record received to driver baud
rate change begin.
Tltdbb - 208 us -
Driver baud rate update begin to driver baud
rate update end.
Tbubtbue - 800 us -
CTS
RTS
TX
Last ASCII Record to ACK*
*ACK character is 0x2E ('.')
RX
Stop bit for
Last ASCII
Record
Start bit
for ACK
Tlta
Tltdbb
Tbubtbue
Driver
Baud
rate
update
!RTS