UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 1305
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3771GF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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V850ES/JG3-H, V850ES/JH3-H
24.2 Register
24.3 Cautions
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
(1) Key return mode register (KRM)
(1) If a low level is input to any of the KR0 to KR7 pins, the INTKR signal is not generated even if the falling edge of
(2) If the KRM register is changed, an interrupt request signal (INTKR) may be generated. To prevent this, change the
(3) To use the key interrupt function, be sure to set the port pin to the key return pin and then enable the operation with
another pin is input.
KRM register after disabling interrupts (DI) or masking, then clear the interrupt request flag (KRIC.KRIF bit) to 0,
and enable interrupts (EI) or clear the mask.
the KRM register. To switch from the key return pin to the port pin, disable the operation with the KRM register and
then set the port pin.
The KRM register controls the KRM0 to KRM7 bits using the KR0 to KR7 signals.
This register can be read or written in 8-bit or 1-bit units.
Reset sets this register to 00H.
After reset: 00H
KRM
Caution Rewrite the KRM register after once setting the KRM register to 00H.
Remark
KRMn
KRM7
For the alternate-function pin settings, see Table 4-20 Settings When Port Pins Are
Used for Alternate Functions.
0
1
Does not detect key return signal
Detects key return signal
R/W
KRM6
Address: FFFFF300H
KRM5
KRM4
Control of key return mode
KRM3
CHAPTER 24 KEY INTERRUPT FUNCTION
KRM2
KRM1
KRM0
Page 1305 of 1509
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