D12312SVF20V Renesas Electronics America, D12312SVF20V Datasheet - Page 110
D12312SVF20V
Manufacturer Part Number
D12312SVF20V
Description
IC H8S/2312S MCU ROMLESS 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of D12312SVF20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
70
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12312SVF20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 110 of 1146
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Section 3 MCU Operating Modes
Bit 2—LWR Output Disable (LWROD): Enables or disables LWR output.
Bit 2
LWROD
0
1
Bit 1—Reserved: Only 0 should be written to this bit.
Bit 0—RAM Enable (RAME): Enables or disables the on-chip RAM. The RAME bit is
initialized when the reset state is released. It is not initialized in software standby mode.
Bit 0
RAME
0
1
3.2.3
Note: * R/W in the H8S/2319 F-ZTAT.
SYSCR2 is an 8-bit readable/writable register that performs on-chip flash memory control.
SYSCR2 is initialized to H'00 by a reset, and in hardware standby mode.
Bits 7 to 4—Reserved: These bits are always read as 0, and cannot be modified.
Bit 3—Flash Memory Control Register Enable (FLSHE): Controls CPU access to the flash
memory control registers (FLMCR1, FLMCR2, EBR1, and EBR2 in the case of the H8S/2319 F-
ZTAT, H8S/2318 F-ZTAT, H8S/2317 F-ZTAT, H8S/2315 F-ZTAT, and H8S/2314 F-ZTAT;
FCCS, FPCS, FECS, FKEY, FMATS, FTDAR, FVARC, FVADRR, FVADRE, FVADRH, and
FVADRL in the case of the H8S/2319C F-ZTAT). For details, see section 17, ROM.
Rev.7.00 Feb. 14, 2007 page 76 of 1108
REJ09B0089-0700
Bit
Initial value :
R/W
System Control Register 2 (SYSCR2) (F-ZTAT Versions Only)
Description
PF3 is designated as LWR output pin
PF3 is designated as I/O port, and does not function as LWR output pin
Description
On-chip RAM is disabled
On-chip RAM is enabled
:
:
—
—
7
0
—
—
6
0
—
—
5
0
—
—
4
0
FLSHE
R/W
3
0
—
—
2
0
—
—
1
0
(Initial value)
(Initial value)
— (R/W) *
—
0
0
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