HD64F3694FY Renesas Electronics America, HD64F3694FY Datasheet - Page 302

• Manufacturer Part Number: HD64F3694FY
• Description: IC H8 MCU FLASH 32K 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F3694FY

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: PWM, WDT
• Number Of I /o: 29
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 48-LQFP
• 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 when the A/D conversion start delay time (t
starts conversion. Figure 16.2 shows the A/D conversion timing. Table 16.3 shows the A/D
conversion time.
As indicated in figure 16.2, the A/D conversion time includes t
length of t
time therefore varies within the ranges indicated in table 16.3.
In scan mode, the values given in table 16.3 apply to the first conversion time. In the second and
subsequent conversions, the conversion time is 128 states (fixed) when CKS = 0 and 66 states
(fixed) when CKS = 1.
Rev.5.00 Nov. 02, 2005 Page 272 of 418
REJ09B0028-0500
Input Sampling and A/D Conversion Time
D
varies depending on the timing of the write access to ADCSR. The total conversion
Address
Write signal
Input sampling
timing
ADF
[Legend]
(1) :
(2) :
t
t
t
D
SPL
CONV
:
:
:
A/D conversion start delay time
Input sampling time
A/D conversion time
ADCSR write cycle
ADCSR address
Figure 16.2 A/D Conversion Timing
(1)
(2)
t
D
t
SPL
D
) has passed after the ADST bit is set to 1, then
t
CONV
D
and the input sampling time. The