UPD70F3785GJ-GAE-AX Renesas Electronics America, UPD70F3785GJ-GAE-AX Datasheet - Page 215
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UPD70F3785GJ-GAE-AX
Manufacturer Part Number
UPD70F3785GJ-GAE-AX
Description
MCU 32BIT V850ES/JX3-E 144-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Er
Datasheet
1.UPD70F3778GF-GAT-AX.pdf
(1817 pages)
Specifications of UPD70F3785GJ-GAE-AX
Core Processor
RISC
Core Size
32-Bit
Speed
50MHz
Connectivity
CSI, EBI/EMI, Ethernet, I²C, UART/USART, USB
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
100
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
124K x 8
Voltage - Supply (vcc/vdd)
2.85 V ~ 3.6 V
Data Converters
A/D 12x10b
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:
UPD70F3785GJ-GAE-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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5.7
5.7.1
alternate function.
external address/data bus goes into a high-impedance state and is released (bus hold status). If the request for the
bus mastership is cleared and the HLDRQ pin is deasserted (high level), driving these pins is started again.
on-chip peripheral I/O register or the external memory is accessed.
configuration of multi-processor type systems in which two or more bus masters exist.
function or a bit manipulation instruction.
CPU bus lock
Read-modify-write access of bit
manipulation instruction
The HLDRQ and HLDAK functions are valid if the P43
When the HLDRQ pin is asserted (low level), indicating that another bus master has requested bus mastership, the
During the bus hold period, execution of the program in the internal ROM and internal RAM is continued until an
The bus hold status is indicated by assertion of the HLDAK pin (low level). The bus hold function enables the
Note that the bus hold request is not acknowledged during a multiple-access cycle initiated by the bus sizing
Notes 1. V850ES/JH3-E
Bus Hold Function
Functional outline
2. V850ES/JJ3-E
Status
Data Bus
16 bits
8 bits
Width
−
CHAPTER 5 BUS CONTROL FUNCTION
User’s Manual U19601EJ2V0UD
Word access to even address
Word access to odd address
Halfword access to odd address
Word access
Halfword access
Note 1
Access Type
, P44
−
Note 1
, PCM2
Note 2
, and PCM3
Between first and second access
Between first and second access
Between second and third access
Between first and second access
Between first and second access
Between second and third access
Between third and fourth access
Between first and second access
Between read access and write
access
Timing at Which Bus Hold Request
Is Not Acknowledged
Note 2
pins are set to their
213
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