UPD70F3736GK-GAK-AX Renesas Electronics America, UPD70F3736GK-GAK-AX Datasheet - Page 164
UPD70F3736GK-GAK-AX
Manufacturer Part Number
UPD70F3736GK-GAK-AX
Description
MCU 32BIT V850ES/JX3-L 80-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3736GK-GAK-AX.pdf
(830 pages)
Specifications of UPD70F3736GK-GAK-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Speed
20MHz
Number Of I /o
66
Core Processor
RISC
Program Memory Type
FLASH
Ram Size
16K x 8
Program Memory Size
256KB (256K x 8)
Data Converters
A/D 8x10b, D/A 1x8b
Oscillator Type
Internal
Peripherals
DMA, LVD, PWM, WDT
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3736GK-GAK-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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5.5
5.5.1
164
(1) Data wait control register 0 (DWC0)
Wait Function
To realize interfacing with a low-speed memory or I/O, up to seven data wait states can be inserted in the bus
cycle that is executed for each memory block space.
The number of wait states can be programmed by using the DWC0 register . Immediately after system reset, 7
data wait states are inserted for all the blocks.
The DWC0 register can be read or written in 16-bit units.
Reset sets this register to 7777H.
Cautions 1. The internal ROM and internal RAM areas are not subject to programmable wait, and are
Caution Be sure to clear bits 15, 11, 7, and 3 to “0”.
Programmable wait function
DWC0
2. Write to the DWC0 register after reset, and then do not change the set values. Also, do
After reset:
always accessed without a wait state. The on-chip peripheral I/O area is also not subject
to programmable wait, and only wait control from each peripheral function is performed.
not access an external memory area until the initial settings of the DWC0 register are
complete.
DWn2
15
7777H
0
7
0
0
0
0
0
1
1
1
1
DWn1
DW32
DW12
14
0
0
1
1
0
0
1
1
6
R/W
CHAPTER 5 BUS CONTROL FUNCTION
Memory block 3
Memory block 1
Preliminary User’s Manual U18952EJ1V0UD
DW31
DW11
DWn0
Address:
13
5
0
1
0
1
0
1
0
1
None
1
2
3
4
5
6
7
DW30
DW10
FFFFF484H
12
4
memory block n space (n = 0 to 3)
Number of wait states inserted in
11
0
0
3
DW22
DW02
10
2
Memory block 0
Memory block 2
DW21
DW01
1
9
DW20
DW00
0
8
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