HD6417020SVX12IV Renesas Electronics America, HD6417020SVX12IV Datasheet - Page 447
HD6417020SVX12IV
Manufacturer Part Number
HD6417020SVX12IV
Description
MCU 3/5V 0K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6417020SVX12IV
Core Processor
SH-1
Core Size
32-Bit
Speed
12.5MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Quantity
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18.1.2
Table 18.2 summarizes the register related to the power-down state.
Table 18.2 Standby Control Register (SBYCR)
Name
Standby control register
18.2
The standby control register (SBYCR) is an 8-bit register that can be read or written to. It is set in
order to enter the standby mode and also sets the port states in standby mode. The SBYCR is
initialized to H'1F when reset.
• Bit 7 (standby (SBY)): SBY enables transition to the standby mode. The SBY bit cannot be set
SBY
0
1
• Bit 6 (port high-impedance (HIZ)): HIZ selects whether I/O ports remain in their previous
HIZ
0
1
RENESAS 434
to 1 while the timer enable bit (bit TME) in timer control/status register TCSR of watchdog
timer WDT is set to 1. To enter the standby mode, clear the TME bit to 0 to halt the WDT and
set the SBY bit.
states during standby, or are placed in the high-impedance state when the standby mode is
entered. The HIZ bit cannot be set to 1 while the TME bit is set to 1. To place the pins of the
I/O ports in high impedance, clear the TME bit to 0 before setting the HIZ bit.
Initial value:
Bit name:
Register
Standby Control Register (SBYCR)
R/W:
Bit:
Description
Executing SLEEP instruction puts the LSI into sleep mode (initial value)
Executing SLEEP instruction puts the LSI into standby mode
Description
Port states are maintained during standby (initial value)
Ports are placed in the high-impedance state in standby
SBY
R/W
7
0
Abbreviation
SBYCR
R/W
HIZ
6
0
—
—
5
0
R/W
R/W
—
—
4
1
Initial Value
H'1F
—
—
3
1
Address
H'5FFFFBC
—
—
2
1
—
—
1
1
Access size
8, 16, 32
—
—
0
1
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