D12321VF25V Renesas Electronics America, D12321VF25V Datasheet - Page 213
![IC H8S/2300 MCU ROMLESS 128QFP](/photos/12/19/121977/d12321vf25v_sml.jpg)
D12321VF25V
Manufacturer Part Number
D12321VF25V
Description
IC H8S/2300 MCU ROMLESS 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.D12322RVF25V.pdf
(1304 pages)
Specifications of D12321VF25V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
86
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-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:
D12321VF25V
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
D12321VF25V
Manufacturer:
Renesas
Quantity:
675
Company:
Part Number:
D12321VF25V
Manufacturer:
Renesas Electronics America
Quantity:
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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 of
3
WCRH and WCRL.
Pin Wait Insertion: Setting the WAITE bit in BCRL to 1 enables wait insertion by means of the
WAIT pin. When external space is accessed in this state, program wait insertion is first carried out
according to the settings in WCRH and WCRL. Then, if the WAIT pin is low at the falling edge of
state is inserted. If the WAIT pin is held low, T
φ in the last T
or T
state, a T
states are
2
w
w
w
inserted until 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 PF
to P5
. To make this change, select the input pin with the WAITPS bit, then set
2
3
the WAITE bit.
Rev.6.00 Sep. 27, 2007 Page 181 of 1268
REJ09B0220-0600
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