M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 420

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Fig. 19.3.3 Programming algorithm flow chart of 1M mode
PROM VERSION
19.3 1M mode
19–10
19.3.2 Programming algorithm of 1M mode
Figure 19.3.3 shows the programming algorithm flow chart of 1M mode.
the data can be read. Additionally, record the number of applied pulses ( ) before the data has been
the last address is reached.
: This applies to the M37702E2BFS. Refer to Table 19.1.1 about each write address of other products.
Repeat the procedure, which consists of applying a programming pulse of 0.2 ms and read check, until
Apply
When this procedure (
Set Vcc = 6 V, V
After applying a programming pulse of 0.2 ms, check whether data can be read or not.
If the data cannot be read, apply a programming pulse of 0.2 ms again.
After programming to the last address, read data when Vcc = V
read.
pulses (0.2
PP
INCREMENT ADDR
= 12.5 V, and address to 1C000
to
ms) (described in
) is completed, increment the address and repeat the above procedure until
FAIL
NO
PROGRAM ONE PULSE OF 0.2 ms
7702/7703 Group User’s Manual
PROGRAM PULSE
OF 0.2
ADDR = FIRST LOCATION
DEVICE PASSED
V
VERIFY BYTE
CC
LAST ADDR?
V
V
ALL BYTE
NO
CC
PP
= V
VERIFY
START
=
= 12.5 V
= 6.0 V
= 25?
ms DURATION
PP
) as additional programming pulses.
= 0
PASS
PASS
= 5.0 V
+ 1
YES
YES
FAIL
16
.
DEVICE
FAILED
VERIFY
BYTE
PP
PASS
: 4.5 V
= 5 V (or Vcc = V
FAIL
V
CC
DEVICE
FAILED
= V
PP
5.5 V
PP
= 5.5 V).