D12312SVF20V Renesas Electronics America, D12312SVF20V Datasheet - Page 601

• 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: -

17.2.2
Enabling or disabling of part of the on-chip ROM area in the chip can be selected by means of the
EAE bit in BCRL. For details of the other bits in BCRL, see section 6.2.5, Bus Control Register L
(BCRL).
Bit 5—External Address Enable (EAE): Selects whether addresses H'010000 to H'03FFFF *
to be internal addresses or external addresses.
Bit 5
EAE
0
1
Notes: 1. The reserved area must not be accessed.
17.3
The on-chip ROM is connected to the CPU by a 16-bit data bus, and both byte and word data can
be accessed in one state. Even addresses are connected to the upper 8 bits, and odd addresses to
the lower 8 bits. Word data must start at an even address.
The on-chip ROM is enabled and disabled by setting the mode pins (MD2 to MD0) and the EAE
bit in BCRL. These settings are shown in table 17.2 and table 17.3.
Bit
Initial value :
R/W
2. H'010000 to H'03FFFF in the H8S/2318.
3. H8S/2317S in mask ROM version.
Bus Control Register L (BCRL)
Operation
H8S/2319, H8S/2319C,
H8S/2318, H8S/2315,
H8S/2314
On-chip ROM
Addresses H'010000 to H'03FFFF *
mode) or a reserved area *
H'010000 to H'05FFFF in the H8S/2315 and H8S/2314.
H'010000 to H'07FFFF in the H8S/2319 and H8S/2319C.
:
:
BRLE
R/W
7
0
BREQOE
R/W
6
0
H8S/2317(S) *
Addresses H'010000 to H'01FFFF
are in on-chip ROM and addresses
H'020000 to H'03FFFF are a reserved
area *
1
(in single-chip mode)
EAE
R/W
1
5
1
2
are external addresses (in external expanded
Description
3
R/W
—
4
1
Rev.7.00 Feb. 14, 2007 page 567 of 1108
R/W
—
3
1
R/W
—
2
1
H8S/2316S
Reserved area *
REJ09B0089-0700
Section 17 ROM
R/W
—
1
0
(Initial value)
WAITE
R/W
1
0
0
2
are