Section 24 Flash Memory
Rev. 1.00 Apr. 28, 2008 Page 765 of 994
REJ09B0452-0100
24.7.2 Programming/Erasing
Interface
Parameters
The programming/erasing interface parameters specify the operating frequency, storage place for
program data, start address of programming destination, and erase block number, and exchanges
the execution result. These parameters use the general registers of the CPU (ER0 and ER1) or the
on-chip RAM area. The initial values of programming/erasing interface parameters are undefined
at a power-on reset or a transition to software standby mode.
Since registers of the CPU except for R0L are saved in the stack area during download of an on-
chip program, initialization, programming, or erasing, allocate the stack area before performing
these operations (the maximum stack size is 128 bytes). The return value of the processing result
is written in R0L. The programming/erasing interface parameters are used in download control,
initialization before programming or erasing, programming, and erasing. Table 24.6 shows the
usable parameters and target modes. The meaning of the bits in the flash pass and fail result
parameter (FPFR) varies in initialization, programming, and erasure.
Table 24.6 Parameters and Target Modes
Parameter Download Initialization Programming Erasure R/W
Initial
Value Allocation
DPFR
O
R/W
Undefined
On-chip
RAM
*
FPFR
O
O
O
R/W
Undefined
R0L of CPU
FPEFEQ
O
R/W
Undefined
ER0 of CPU
FMPAR
O
R/W
Undefined
ER1 of CPU
FMPDR
O
R/W
Undefined
ER0 of CPU
FEBS
O
R/W
Undefined
ER0 of CPU
Note:
*
A single byte of the start address of the on-chip RAM specified by FTDAR
(a) Download
Control
The on-chip program is automatically downloaded by setting the SCO bit in FCCS to 1. The on-
chip RAM area to download the on-chip program is the 4-kbyte area starting from the start address
specified by FTDAR. Download is set by the programming/erasing interface registers, and the
download pass and fail result parameter (DPFR) indicates the return value.
Summary of Contents for H8S/2100 Series
Page 2: ...Rev 1 00 Apr 28 2008 Page ii of xxvi...
Page 54: ...Section 1 Overview Rev 1 00 Apr 28 2008 Page 28 of 994 REJ09B0452 0100...
Page 92: ...Section 2 CPU Rev 1 00 Apr 28 2008 Page 66 of 994 REJ09B0452 0100...
Page 158: ...Section 5 Interrupt Controller Rev 1 00 Apr 28 2008 Page 132 of 994 REJ09B0452 0100...
Page 244: ...Section 8 8 Bit PWM Timer PWMU Rev 1 00 Apr 28 2008 Page 218 of 994 REJ09B0452 0100...
Page 330: ...Section 10 16 Bit Timer Pulse Unit TPU Rev 1 00 Apr 28 2008 Page 304 of 994 REJ09B0452 0100...
Page 416: ...Section 13 8 Bit Timer TMR Rev 1 00 Apr 28 2008 Page 390 of 994 REJ09B0452 0100...
Page 612: ...Section 18 I 2 C Bus Interface IIC Rev 1 00 Apr 28 2008 Page 586 of 994 REJ09B0452 0100...
Page 706: ...Section 20 LPC Interface LPC Rev 1 00 Apr 28 2008 Page 680 of 994 REJ09B0452 0100...
Page 752: ...Section 21 FSI Interface Rev 1 00 Apr 28 2008 Page 726 of 994 REJ09B0452 0100...
Page 774: ...Section 23 RAM Rev 1 00 Apr 28 2008 Page 748 of 994 REJ09B0452 0100...
Page 1008: ...Section 28 Electrical Characteristics Rev 1 00 Apr 28 2008 Page 982 of 994 REJ09B0452 0100...
Page 1020: ...Rev 1 00 Apr 28 2008 Page 994 of 994 REJ09B0452 0100...
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