UPD70F3453GC-8EA-A Renesas Electronics America, UPD70F3453GC-8EA-A Datasheet - Page 935
UPD70F3453GC-8EA-A
Manufacturer Part Number
UPD70F3453GC-8EA-A
Description
MCU 32BIT 128KB FLASH 100LQFP
Manufacturer
Renesas Electronics America
Series
V850E/Ix3r
Datasheet
1.UPD70F3451GC-UBT-A.pdf
(1191 pages)
Specifications of UPD70F3453GC-8EA-A
Core Processor
RISC
Core Size
32-Bit
Speed
64MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
56
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3.5 V ~ 5.5 V
Data Converters
A/D 10x12b, 8x10b
Oscillator Type
External
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:
UPD70F3453GC-8EA-A
Manufacturer:
Renesas Electronics America
Quantity:
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18.5.2 Bus sizing function
the BSC register.
odd addresses.
The bus sizing function controls the data bus width for each CS space. The data bus width is specified by using
If a 16-bit bus width is specified, the lower 8 bits are used for even addresses and the higher 8 bits are used for
(1) Bus size configuration register (BSC)
This register controls the bus width of each CS space.
This register can be read or written in 16-bit units.
Reset sets this register to 5555H.
Caution Write to the BSC register after reset, and then do not change the set value. Also, when
Caution Be sure to set bits 1, 3, 5, 7, 9, 11, 13, and 15 to “0”, and set bits 4, 6, 8, 10, 12, and 14 to
CSn signal
CSn signal
After reset: 5555H
changing the initial values of the BSC register, do not access an external memory area until
the settings are complete. However, it is possible to access external memory areas whose
initialization settings are complete.
“1”. If they are set other than above, the operation is not guaranteed.
BSC
BSn0
15
0
0
7
0
1
8 bits
16 bits
CHAPTER 18 BUS CONTROL FUNCTION
R/W Address: FFFFF066H
14
1
1
6
Specification of data bus width of each CSn space (n = 0, 1)
User’s Manual U18279EJ3V0UD
13
0
5
0
12
1
1
4
11
0
3
0
BS10
CS1
10
1
2
9
0
1
0
BS00
CS0
1
8
0
933
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