D12321VF20V Renesas Electronics America, D12321VF20V Datasheet - Page 348
D12321VF20V
Manufacturer Part Number
D12321VF20V
Description
IC H8S/2321 MCU ROMLESS 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of D12321VF20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
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
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:
D12321VF20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 8 Data Transfer Controller
Bit 7—DTC Chain Transfer Enable (CHNE): Specifies chain transfer. With chain transfer, a
number of data transfers can be performed consecutively in response to a single transfer request.
In data transfer with CHNE set to 1, determination of the end of the specified number of transfers,
clearing of the interrupt source flag, and clearing of DTCER are not performed.
When CHNE is set to 1, the chain transfer condition can be selected with the CHNS bit.
Bit 7
CHNE
0
1
Bit 6—DTC Interrupt Select (DISEL): Specifies whether interrupt requests to the CPU are
disabled or enabled after a data transfer.
Bit 6
DISEL
0
1
Bit 5—DTC Chain Transfer Select (CHNS): Specifies the chain transfer condition when CHNE
is 1.
Bit 7
CHNE
0
1
1
Bits 4 to 0—Reserved: These bits have no effect on DTC operation in the chip and should always
be written with 0.
Rev.6.00 Sep. 27, 2007 Page 316 of 1268
REJ09B0220-0600
Description
End of DTC data transfer (activation waiting state)
DTC chain transfer (new register information is read, then data is transferred)
Description
After a data transfer ends, the CPU interrupt is disabled unless the transfer counter is
0 (the DTC clears the interrupt source flag of the activating interrupt to 0)
After a data transfer ends, the CPU interrupt is enabled (the DTC does not clear the
interrupt source flag of the activating interrupt to 0)
Bit 5
CHNS
–
0
1
Description
No chain transfer (DTC data transfer end, activation waiting state entered)
DTC chain transfer
Chain transfer only when transfer counter = 0
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