HD64F2638F20J Datasheet, PDF (15/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Item
21A.4.3 Mode
Transitions
Figure 21A-3 Flash
Memory State
Transitions
21A.5 Pin
Configuration
Table 21A-5 Pin
Configuration
Page
749
755
21A.9.2 Program-
777
Verify Mode
Figure 21A-12
Program/Program-
Verify Flowchart
21A.9.3 Erase Mode 778
Revision (See Manual for Details)
Notes amended
Notes: 2. This LSI transits to programmer mode by using the
dedicated PROM programmer.
Table amended
Pin Name
Reset
Flash write enable
Mode 2
Mode 1
Mode 0
Port F0
Port 16
Port 14
Transmit data
Receive data
Abbreviation
RES
FWE
MD2
MD1
MD0
PF0
P16
P14
TxD1
RxD1
I/O
Input
Input
Input
Input
Input
Input
Input
Input
Output
Input
Function
Reset
Flash program/erase protection by hardware
Sets MCU operating mode
Sets MCU operating mode
Sets MCU operating mode
Sets MCU operating mode in programmer
mode
Sets MCU operating mode in programmer
mode
Sets MCU operating mode in programmer
mode
Serial transmit data output
Serial receive data input
Figure amended
No
m=0?
Yes
Clear SWE bit in FLMCR1
Wait (tcswe) μs
*7
End of programming
*7 _No
n ≥ (N)?
Yes
Clear SWE bit in FLMCR1
Wait (tcswe) μs
*7
Programming failure
Description amended
The wait times after bits are set or cleared in the flash memory
control register 1 (FLMCR1) and the maximum number of
erase operations (N) are shown in section 24.1.7, Flash
Memory Characteristics.
…
Next, the watchdog timer (WDT) is set to prevent overerasing
due to program runaway, etc. Set a value of about 19.8 ms as
the WDT overflow period.
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page xv of l