Table 3-6. Uart0 Boot Parameters; Table 3-7. Boot Controller Register Summary; Booting From Uart - Sharp LH79524 User Manual

LH79524/LH79525 User's Guide

3.1.4 Booting from UART

Another boot option is to boot using UART0. The transfer protocol implementation is
XMODEM with 128-byte packets. All UART0 parameters are summarized in Table 3-6.
The Boot Controller automatically handles initialization and setup of UART0; the source of
the boot code must be compatible with the parameters in the table.
3.2 Register Reference
This section provides the Boot Controller register memory mapping and bit fields.
3.2.1 Memory Map
The base address for the Boot Controller is
Controller registers.

Table 3-6. UART0 Boot Parameters

PARAMETER
Protocol
Bit Rate
Data Bits
Parity
Stop Bits
Packet Size

Table 3-7. Boot Controller Register Summary

ADDRESS OFFSET NAME
0x00 PBC
0x04 CS1OV nCS1 Override Register
0x08 EPM
Version 1.0
VALUE
XMODEM Checksum
115 kbps
8
None
1
128 bytes
. Table 3-7 summarizes the Boot
0xFFFE6000
DESCRIPTION
Power-up Boot Configuration Register
External Peripheral Mapping Register
Boot Controller
3-7