PICkit? Serial Analyzer Firmware
TABLE 9-31:
USART ‘CMD’ TAG BYTES
TAG/
CCMD
0x80
0x81
0x82
LEN
1
1
N+2
Name
USART_INIT
USART_RESET
USART_DATA_XMT
Description
Initialize USART controller
TAG
0
Reset USART controller
TAG
0
Transmit data
TAG
0
Byte count (N)
1
2 Data
N+1 Data
0x83
0x84
0x85
0x86
0x87
0x88
2
1
1
1
2
3
USART _DATA_ARCV
USART_DATA_SRCV_ENABLE
USART_DATA_SRCV_DISABLE
USART_BREAK_XMT
USART_BREAK_DATA_XMT
USART_BAUD
Receive data
TAG
0
Byte count (N)
1
Enable receive data monitor
TAG
0
Disable receive data monitor
TAG
0
send BREAK
TAG
0
send BREAK then DATA byte
TAG
0
DATA byte (TYP: 0x55)
1
set BAUD rate
TAG
0
BAUD value (LSB)
1
2 BAUD value (MSB)
(Reference Table 9-29)
0x89
0x8A
0x8B
0x8C
1
1
1
1
USART_SCKP_SET
USART_SCKP_RST
USART_9BIT_SET
USART_9BIT_RST
set “CLOCK POLARITY” bit
TAG
0
reset “CLOCK POLARITY” bit
TAG
0
set 9-bit Data mode
TAG
0
reset 9-bit Data mode (sets 8-bit)
? 2007 Microchip Technology Inc.
0
TAG
DS51647A-page 93
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