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HD64F2149YV 데이터시트(PDF) 749 Page - Renesas Technology Corp

부품명 HD64F2149YV
상세설명  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

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Section 22 ROM
Rev. 3.00 Jan 18, 2006 page 721 of 1044
REJ09B0280-0300
22.10.3
Programmer Mode Operation
Table 22.12 shows how the different operating modes are set when using programmer mode, and
table 22.13 lists the commands used in programmer mode. Details of each mode are given below.
• Memory Read Mode
Memory read mode supports byte reads.
• Auto-Program Mode
Auto-program mode supports programming of 128 bytes at a time. Status polling is used to
confirm the end of auto-programming.
• Auto-Erase Mode
Auto-erase mode supports automatic erasing of the entire flash memory. Status polling is used
to confirm the end of auto-erasing.
• Status Read Mode
Status polling is used for auto-programming and auto-erasing, and normal termination can be
confirmed by reading the FO6 signal. In status read mode, error information is output if an
error occurs.
Table 22.12 Settings for Each Operating Mode in Programmer Mode
Pin Names
Mode
CE
CE
CE
CE
OE
OE
OE
OE
WE
WE
WE
WE
FO0 to FO7
FA0 to FA17
Read
L
L
H
Data output
Ain*
2
Output disable
L
H
H
Hi-Z
X
Command write
L
H
L
Data input
Ain*
2
Chip disable*
1
HX
X
Hi-Z
X
Notes: 1. Chip disable is not a standby state; internally, it is an operation state.
2. Ain indicates that there is also address input in auto-program mode.



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