D12332VFC25 Renesas Electronics America, D12332VFC25 Datasheet - Page 197
D12332VFC25
Manufacturer Part Number
D12332VFC25
Description
MCU 3V 0K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2338VFC25V.pdf
(1246 pages)
Specifications of D12332VFC25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
HD6412332VFC25
HD6412332VFC25
HD6412332VFC25
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12332VFC25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 197 of 1246
- Download datasheet (7Mb)
Section 6 Bus Controller
6.4.5
Wait Control
When accessing external space, the chip can extend the bus cycle by inserting one or more wait
states (T
). There are two ways of inserting wait states: program wait insertion and pin wait
w
insertion using the WAIT pin.
Program Wait Insertion: From 0 to 3 wait states can be inserted automatically between the T
2
state and T
state on an individual area basis in 3-state access space, according to the settings in
3
WCRH and WCRL.
Pin Wait Insertion: Setting the WAITE bit in BCRL to 1 enables wait input by means of the
WAIT pin. When external space is accessed in this state, a program wait is first inserted in
accordance with the settings in WCRH and WCRL. Then, if the WAIT pin is low at the falling
state is inserted. If the WAIT pin is held low, T
edge of φ in the last T
or T
state, another T
2
w
w
w
states are inserted it goes high.
This is useful when inserting four or more T
states, or when changing the number of T
states for
w
w
different external devices.
The WAITE bit setting applies to all areas. The WAITPS bit can be used to change the WAIT
input pin from P8
to P5
. To make this change, select the input pin with the WAITPS bit, then set
6
3
the WAITE bit.
Figure 6.14 shows an example of wait state insertion timing.
Rev.4.00 Sep. 07, 2007 Page 165 of 1210
REJ09B0245-0400
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