HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 630

• Manufacturer Part Number: HD64F2623FA20J
• Description: IC H8S MCU FLASH 256K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2623FA20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 16 A/D Converter
16.4.3
The A/D converter has a built-in sample-and-hold circuit. The A/D converter samples the analog
input at a time t
conversion timing. Table 16.4 indicates the A/D conversion time.
As indicated in figure 16.5, the A/D conversion time includes t
length of t
time therefore varies within the ranges indicated in table 16.4.
In scan mode, the values given in table 16.4 apply to the first conversion time. The values given
in table 16.5 apply to the second and subsequent conversions. In both cases, set bits CKS1 and
CKS0 in ADCR to give a value not lower than that shown in table 22-8.
Rev. 5.00 Jan 10, 2006 page 604 of 1042
REJ09B0275-0500
Input Sampling and A/D Conversion Time
D
Input sampling
timing
ADF
varies depending on the timing of the write access to ADCSR. The total conversion
Address
Write signal
Legend:
(1)
(2)
t
t
t
D
SPL
CONV
D
after the ADST bit is set to 1, then starts conversion. Figure 16.5 shows the A/D
: ADCSR write cycle
: ADCSR address
: A/D conversion start delay
: Input sampling time
: A/D conversion time
(1)
(2)
Figure 16.5 A/D Conversion Timing
t
D
t
SPL
t
CONV
D
and the input sampling time. The