Datasheet

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SBAS323G − JUNE 2004 − REVISED OCTOBER 2007

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Table 7. MSC121x Boot ROM Routines

ADDRESS ROUTINE C DECLARATIONS DESCRIPTION

FFD5 put_string void put_string (char code *string); Output string

FFD7 page_erase char page_erase (int faddr, char fdata, char fdm); Erase flash page

FFD9 write_flash Assembly only; DPTR = address, R5 = data Fast flash write

FFDB write_flash_chk char write_flash_chk (int faddr, char fdata, char fdm); Write flash byte, verify

FFDD write_flash_byte char write_flash_byte (int faddr, char fdata, char fdm); Write flash byte

FFDF faddr_data_read char faddr_data_read (char faddr); Read HW config byte from addr

FFE1 data_x_c_read char data_x_c_read (int faddr, char fdm); Read xdata or code byte

FFE3 tx_byte void tx_byte (char); Send byte to USART0

FFE5 tx_hex void tx_hex (char); Send hex value to USART0

FFE7 putok void putok (void); Send “OK” to USART0

FFE9 rx_byte char rx_byte (void); Read byte from USART0

FFEB rx_byte_echo char rx_byte_echo (void); Read and echo byte on USART0

FFED rx_hex_echo int rx_hex_echo (void); Read and echo hex on USART0

FFEF rx_hex_int_echo int rx_hex_int_echo (void); Read int as hex and echo: USART0

FFF1 rx_hex_rev_echo int rx_hex_rev_echo (void); Read int reversed as hex and echo: USART0

FFF3 autobaud void autobaud (void); Set baud with received CR

FFF5 putspace4 void putspace4 (void); Output 4 spaces to USART0

FFF7 putspace3 void putspace3 (void); Output 3 spaces to USART0

FFF9 putspace2 void putspace2 (void); Output 2 spaces to USART0

FFFB putspace1 void putspace1 (void); Output 1 space to USART0

FFFB putcr void putcr (void); Output CR, LF to USART0

F97D

(1)

cmd_parse void cmd_parser (void); See SBAA076

FD3B

(1)

monitor_isr void monitor_isr ( ) interrupt 6 Push registers and call cmd_parser

(1)

These addresses only relate to version 1.0 of the MSC1211/12/13/14 Boot ROM.