DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 755

MCU 5V 128K I-TEMP,PB-FREE, 100-

DF2148RTE20IV

Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheets

Specifications of DF2148RTE20IV

Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Section 23 ROM
(H8S/2148 F-ZTAT A-Mask Version, H8S/2147 F-ZTAT A-Mask Version, H8S/2144 F-ZTAT A-Mask Version)
program setting so that the time for one programming operation is within the range of (z1), (z2) or
(z3) µs.
23.7.2
Program-Verify Mode
In program-verify mode, the data written in program mode is read to check whether it has been
correctly written in the flash memory.
After the elapse of a given programming time, the programming mode is exited (the P bit in
FLMCR1 is cleared, then the PSU bit in FLMCR2 is cleared at least ( ) µs later). The watchdog
timer is cleared after the elapse of ( ) µs or more, and the operating mode is switched to program-
verify mode by setting the PV bit in FLMCR1. Before reading in program-verify mode, a dummy
write of H'FF data should be made to the addresses to be read. The dummy write should be
executed after the elapse of ( ) µs or more. When the flash memory is read in this state (verify data
is read in 16-bit units), the data at the latched address is read. Wait at least ( ) µs after the dummy
write before performing this read operation. Next, the originally written data is compared with the
verify data, and reprogram data is computed (see figure 23.12) and transferred to the reprogram
data area. After 128 bytes of data have been verified, exit program-verify mode, wait for at least
( ) µs. If the programming count is less than 6, the 128-byte data in the additional program data
area should be written consecutively to the write addresses, and additional programming
performed. Next clear the SWE bit in FLMCR1, and wait at least ( ) µs. If reprogramming is
necessary, set program mode again, and repeat the program/program-verify sequence as before.
However, ensure that the program/program-verify sequence is not repeated more than (N) times on
the same bits.
Rev. 4.00 Sep 27, 2006 page 709 of 1130
REJ09B0327-0400

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