DF2134AFA20V Renesas Electronics America, DF2134AFA20V Datasheet - Page 570
DF2134AFA20V
Manufacturer Part Number
DF2134AFA20V
Description
IC H8S/2100 MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.DF2134AFA20V.pdf
(1063 pages)
Specifications of DF2134AFA20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
58
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
-20°C ~ 75°C
Package / Case
80-QFP
For Use With
3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2134AFA20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 570 of 1063
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Section 16 I
Rev. 4.00 Jun 06, 2006 page 514 of 1004
REJ09B0301-0400
ASD
SCL
BC2–BC0
IRIC
(operation
example)
Notes on WAIT Function
Conditions to cause this phenomenon
When both of the following conditions are satisfied, the clock pulse of the 9th clock could
be outputted continuously in master mode using the WAIT function due to the failure of
the WAIT insertion after the 8th clock fall.
(1) Setting the WAIT bit of the ICMR register to 1 and operating WAIT, in master mode
(2) If the IRIC bit of interrupt flag is cleared from 1 to 0 between the fall of the 7th clock
Error phenomenon
Normally, WAIT State will be cancelled by clearing the IRIC flag bit from 1 to 0 after the
fall of the 8th clock in WAIT State. In this case, if the IRIC flag bit is cleared between the
7th clock fall and the 8th clock fall, the IRIC flag clear- data will be retained internally.
Therefore, the WAIT State will be cancelled right after WAIT insertion on 8th clock fall.
Restrictions
Please clear the IRIC flag before the rise of the 7th clock (the counter value of BC2
through BC0 should be 2 or greater), after the IRIC flag is set to 1 on the rise of the 9th
clock.
If the IRIC flag-clear is delayed due to the interrupt or other processes and the value of BC
counter is turned to 1 or 0, please confirm the SCL pins are in L’ state after the counter
value of BC2 through BC0 is turned to 0, and clear the IRIC flag. (See figure 16.21.)
and the fall of the 8th clock.
2
C Bus Interface [H8S/2138 Group Option]
A
9
0
Figure 16.21 IRIC Flag Clear Timing on WAIT Operation
1
7
IRIC flag clear available
2
6
Transmit/receive data
3
5
4
4
5
3
6
IRIC flag clear unavailable
2
7
1
8
SCL =
‘L’ confirm
IRIC flag clear available
0
A
IRIC clear
9
Transmit/receive
1
7
data
2
6
When BC2-0
IRIC clear
3
5
2
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