UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 912
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UPD70F3771GF-GAT-AX
Manufacturer Part Number
UPD70F3771GF-GAT-AX
Description
MCU 32BIT V850ES/JX3-H 128-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Hr
Datasheet
1.UPD70F3760GC-UEU-AX.pdf
(1512 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3771GF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 912 of 1512
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V850ES/JG3-H, V850ES/JH3-H
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
REC[7:0]
in C0ERC
register
OPMODE[2:0]
in C0CTRL
register
(read by user)
OPMODE[2:0]
in C0CTRL
register
(written by user)
TEC[7:0]
in C0ERC
register
BOFF bit
in C0INFO
register
(b) Forced recovery operation that skips bus-off recovery sequence
The CAN module can be forcibly released from the bus-off state, regardless of the bus state, by skipping the
bus-off recovery sequence. Here is the procedure.
First, the CAN module requests to enter the initialization mode. For the operation and points to be noted at
this time, see 20.3.6 (5) (a) Recovery from bus-off state through normal recovery sequence.
Next, the module requests to enter an operation mode. At the same time, the C0CTRL.CCERC bit must be
set to 1.
As a result, the bus-off recovery sequence defined by the CAN protocol ISO 11898 is skipped, and the module
immediately enters the operation mode. In this case, the module is connected to the CAN bus after it has
monitored 11 consecutive recessive-level bits. For details, refer to the processing in Figure 20-54.
Caution This function is not defined by the CAN protocol ISO 11898. When using this function,
80H ≤ TEC[7:0] ≤ FFH
»error-passive«
Figure 20-17. Recovery from Bus-off State Through Normal Recovery Sequence
thoroughly evaluate its effect on the network system.
TEC > FFH
≠ 00H
≠ 00H
00H ≤ REC[7:0] ≤ 80H
FFH < TEC [7:0]
»bus-off«
<1>
00H
<2>
»bus-off-recovery-sequence«
00H
Undefined
00H
≠ 00H
CHAPTER 20 CAN CONTROLLER
00H ≤ REC[7:0] < 80H
<3>
00H ≤ TEC[7:0] < 80H
»error-active«
≠ 00H
Page 912 of 1509
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