D12332VFC20V Renesas Electronics America, D12332VFC20V Datasheet - Page 796
D12332VFC20V
Manufacturer Part Number
D12332VFC20V
Description
IC H8S/2332 MCU ROMLESS 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of D12332VFC20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
106
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12332VFC20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 19 ROM
elapse of (y) µs or more, the operating mode is switched to program mode by setting the P bit in
FLMCR1. The time during which the P bit is set is the flash memory programming time. Set the
programming time according to the table in the programming flowchart.
19.7.2
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 to 0, then the PSU bit is cleared to 0 at least (α) µs later). Next, the watchdog
timer is cleared after the elapse of (β) 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 (γ) 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 (ε) 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 19.14) and transferred to the reprogram
data area. After 128 bytes of data have been verified, exit program-verify mode, wait for at least
(η) μs, then clear the SWE bit in FLMCR1 to 0, and wait again for at least (θ) 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. 07, 2007 Page 764 of 1210
REJ09B0245-0400
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