D13003TF16V Renesas Electronics America, D13003TF16V Datasheet - Page 131

• Manufacturer Part Number: D13003TF16V
• Description: IC H8/3003 ROMLESS 112QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of D13003TF16V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SCI
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 50
• Program Memory Type: ROMless
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 120-TQFP, 120-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

6.3.2 Chip Select Signals
For each of areas 0 to 7, the H8/3003 can output a chip select signal (CS
indicate when the area is selected. Figure 6-3 shows the output timing of a CSn signal.
Output of the CS
corresponding port. A reset leaves pin CS
state. To output chip select signals CS
For details see section 9, I/O Ports.
When the on-chip RAM and on-chip registers are accessed, CS
and LWR signals remain high. The CS
used as chip select signals for SRAM and other devices.
Address
CS
ø
n
n
signal is enabled or disabled in the data direction register (DDR) of the
Figure 6-3 CS
1
n
to CS
signals are decoded from the address signals. They can be
0
in the output state and pins CS
T
External address in area n
1
7
, the corresponding DDR bits must be set to 1.
111
n
Output Timing
T
2
7
goes low but the
T
3
0
1
to CS
to CS
7
) that goes low to
7
AS, RD, HWR,
in the input