UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 775

• Manufacturer Part Number: UPD70F3771GF-GAT-AX
• Description: MCU 32BIT V850ES/JX3-H 128-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Hr

Specifications of UPD70F3771GF-GAT-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 48MHz
• Connectivity: CAN, CSI, EBI/EMI, I²C, UART/USART, USB
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

V850ES/JG3-H, V850ES/JH3-H
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
(4) CSIFn status register (CFnSTR)
CFnSTR is an 8-bit register that displays the CSIFn status.
This register can be read or written in 8-bit or 1-bit units, but the CFnTSF flag is read-only.
Reset sets this register to 00H.
In addition to reset input, the CFnSTR register can be initialized by clearing (0) the CFnCTL0.CFnPWR bit.
(n = 0 to 4)
CFnSTR
After reset: 00H
• An overrun error occurs when the next reception is completed without the CPU
• The CFnOVE bit is valid also in the single transfer mode. Therefore, when only
• The CFnOVE flag is cleared by writing 0 to it. It cannot be set even by writing 1 to it.
• During transmission, this register is set when data is prepared in the CFnTX
CFnOVE
CFnTSF
CFnTSF
register, and during reception, it is set when a dummy read of the CFnRX register
is performed.
When transfer ends, this flag is cleared to 0 at the last edge of the clock.
reading the value of the receive buffer, upon completion of the receive operation.
The CFnOVE flag displays the overrun error occurrence status in this case.
using transmission, note the following.
• Do not check the CFnOVE flag.
• Read this bit even if reading the reception data is not required.
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0
1
0
1
R/W
Communication stopped
Communicating
No overrun
Overrun
0
Address: CF0STR FFFFFD03H, CF1STR FFFFFD13H,
CHAPTER 18 3-WIRE VARIABLE-LENGTH SERIAL I/O (CSIF)
0
CF2STR FFFFFD23H, CF3STR FFFFFD33H,
CF4STR FFFFFD43H
Communication status flag
0
Overrun error flag
0
0
0
CFnOVE
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