DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 439
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 439 of 794
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Bit
6
5
4
Bit Name
CHR
PE
O/E
Initial
value
0
0
0
R/W
R/W
R/W
R/W
Description
Character Length
Selects 7-bit or 8-bit data in asynchronous mode. In the
clock synchronous mode, the data length is always
eight bits, regardless of the CHR setting. When 7-bit
data is selected, the MSB (bit 7) of the transmit data
register is not transmitted.
0: 8-bit data
1: 7-bit data
Parity Enable
Selects whether to add a parity bit to transmit data and
to check the parity of receive data, in asynchronous
mode. In clock synchronous mode, a parity bit is neither
added nor checked, regardless of the PE setting.
0: Parity bit not added or checked
1: Parity bit added and checked*
Note: * When PE is set to 1, an even or odd parity bit
Parity mode
Selects even or odd parity when parity bits are added
and checked. The O/E setting is used only in
asynchronous mode and only when the parity enable bit
(PE) is set to 1 to enable parity addition and checking.
The O/E setting is ignored in clock synchronous mode,
or in asynchronous mode when parity addition and
checking is disabled.
0: Even parity
1: Odd parity
If even parity is selected, the parity bit is added to
transmit data to make an even number of 1s in the
transmitted character and parity bit combined. Receive
data is checked to see if it has an even number of 1s in
the received character and parity bit combined.
If odd parity is selected, the parity bit is added to
transmit data to make an odd number of 1s in the
transmitted character and parity bit combined. Receive
data is checked to see if it has an odd number of 1s in
the received character and parity bit combined.
is added to transmit data, depending on the
parity mode (O/E) setting. Receive data parity
is checked according to the even/odd (O/E)
mode setting.
Rev. 5.00 Mar. 06, 2009 Page 419 of 770
REJ09B0243-0500
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