UPD70F3737GF-GAS-AX Renesas Electronics America, UPD70F3737GF-GAS-AX Datasheet - Page 91
UPD70F3737GF-GAS-AX
Manufacturer Part Number
UPD70F3737GF-GAS-AX
Description
MCU 32BIT V850ES/JX3-L 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3737GF-GAS-AX.pdf
(1071 pages)
Specifications of UPD70F3737GF-GAS-AX
Core Processor
RISC
Core Size
32-Bit
Speed
20MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
84
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.2 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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Price
Company:
Part Number:
UPD70F3737GF-GAS-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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(2) Command register (PRCMD)
Note Five NOP instructions or more must be inserted immediately after setting the IDLE1 mode, IDLE2 mode,
Caution When a store instruction is executed to store data in the command register, interrupts are
Remark
The PRCMD register is an 8-bit register that protects the registers that may seriously affect the application
system from being written, so that the system does not inadvertently stop due to a program hang-up. The first
write access to a special register is valid after data has been written in advance to the PRCMD register. In this
way, the value of the special register can be rewritten only in a specific sequence, so as to protect the register
from an illegal write access.
The PRCMD register is write-only, in 8-bit units (undefined data is read when this register is read).
or STOP mode (by setting the PSC.STP bit to 1).
After reset: Undefined
PRCMD
not acknowledged.
performed by successive store instructions. If another instruction is placed between <3>
and <4>, and if an interrupt is acknowledged by that instruction, the above sequence may not
be established, causing malfunction.
Although dummy data is written to the PRCMD register, use the same general-purpose register
used to set the special register (<4> in the example) to write data to the PRCMD register (<3> in the
example). The same applies when a general-purpose register is used for addressing.
REG7
7
REG6
6
W
This is because it is assumed that steps <3> and <4> above are
CHAPTER 3 CPU FUNCTION
REG5
User’s Manual U18953EJ5V0UD
Address:
5
FFFFF1FCH
REG4
4
REG3
3
REG2
2
REG1
1
REG0
0
89
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