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M16C/62 bảng dữ liệu(PDF) 277 Page - Renesas Technology Corp

tên linh kiện M16C/62
Giải thích chi tiết về linh kiện  16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
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nhà sản xuất  RENESAS [Renesas Technology Corp]
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M16C/62 bảng dữ liệu(HTML) 277 Page - Renesas Technology Corp

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Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Appendix Standard Serial I/O Mode (Flash Memory Version)
262
7A16
CLK1
RxD1
TxD1
RTS1(BUSY)
(M16C reception data)
(M16C transmit data)
Read Lock Bit Status Command
This command reads the lock bit status of the specified block. Execute the read lock bit status com-
mand as explained here following.
(1) Send the “7116” command code in the 1st byte of the transmission.
(2) Send addresses A8 to A15 and A16 to A23 in the 2nd and 3rd bytes of the transmission respec-
tively.
(3) The lock bit data of the specified block is output in the 4th byte of the transmission. Write the
highest address of the specified block for addresses A8 to A23.
CLK1
RxD1
TxD1
RTS1(BUSY)
A8 to
A15
A16 to
A23
7116
DQ6
(M16C reception data)
(M16C transmit data)
Figure 1.31.10. Timing for reading lock bit status
Figure 1.31.11. Timing for enabling the lock bit
Lock Bit Enable Command
This command enables the lock bit in blocks whose bit was disabled with the lock bit disable com-
mand. The command code “7A16” is sent in the 1st byte of the serial transmission. This command only
enables the lock bit function; it does not set the lock bit itself.



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