UPD70F3740GC-UEU-AX Renesas Electronics America, UPD70F3740GC-UEU-AX Datasheet - Page 170
UPD70F3740GC-UEU-AX
Manufacturer Part Number
UPD70F3740GC-UEU-AX
Description
MCU 32BIT V850ES/JX3 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3r
Datasheet
1.UPD70F3739GC-UEU-AX.pdf
(889 pages)
Specifications of UPD70F3740GC-UEU-AX
Core Processor
RISC
Core Size
32-Bit
Speed
32MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
84
Program Memory Size
512KB (512K 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:
UPD70F3740GC-UEU-AX
Manufacturer:
NEC
Quantity:
300
Company:
Part Number:
UPD70F3740GC-UEU-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
UPD70F3740GC-UEU-AX
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 170 of 889
- Download datasheet (11Mb)
V850ES/JG3
5.5.3
is as follows.
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
The V850ES/JG3 accesses the on-chip peripheral I/O and external memory in 8-bit, 16-bit, or 32-bit units. The bus size
• The bus size of the on-chip peripheral I/O is fixed to 16 bits.
• The bus size of the external memory is selectable from 8 bits or 16 bits (by using the BSC register).
The operation when each of the above is accessed is described below. All data is accessed starting from the lower side.
The V850ES/JG3 supports only the little-endian format.
(1) Data space
The V850ES/JG3 has an address misalign function.
With this function, data can be placed at all addresses, regardless of the format of the data (word data or halfword
data). However, if the word data or halfword data is not aligned at the boundary, a bus cycle is generated at least
twice, causing the bus efficiency to drop.
(a) Halfword-length data access
(b) Word-length data access
Access by bus size
A byte-length bus cycle is generated twice if the least significant bit of the address is 1.
(i) A byte-length bus cycle, halfword-length bus cycle, and byte-length bus cycle are generated in that order if
(ii) A halfword-length bus cycle is generated twice if the lower 2 bits of the address are 10.
the least significant bit of the address is 1.
31
000BH
0007H
0003H
Figure 5-2. Little-Endian Address in Word
24 23
000AH
0006H
0002H
16 15
0009H
0005H
0001H
CHAPTER 5 BUS CONTROL FUNCTION
8 7
0008H
0004H
0000H
0
Page 154 of 870
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