DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 590

• Manufacturer Part Number: DF2211NP24V
• Description: H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
• Manufacturer: Renesas Technology / Hitachi Semiconductor

Rev.7.00 Dec. 24, 2008 Page 536 of 698
REJ09B0074-0700
VCC
Vref
VSS
Legend:
ADCR:
ADCSR: A/D control/status register
ADDRA: A/D data register A
ADDRB: A/D data register B
ADDRC: A/D data register C
ADDRD: A/D data register D
10 bit D/A
A/D control register
AN0
AN1
AN2
AN3
AN14
AN15
ADTRG
Figure 15.1 Block Diagram of A/D Converter
Sample and
hold circuit
Comparator
+
A
D
D
R
A
Module data bus
A
D
D
R
B
A
D
D
R
C
Control circuit
A
D
D
R
D
A
D
C
S
R
A
D
C
R
Time conversion start trigger from TPU
Internal data bus
φ/2
φ/4
φ/8
φ/16
ADI interrupt signal
Off during A/D conversion standby
On during A/D conversion