DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 663
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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The 10-bit data resulting from A/D conversion is transferred to the ADDR register for the selected
channel and stored there. The upper 8 bits of the converted data are transferred to the upper byte
(bits 15 to 8) of ADDR, and the lower 2 bits are transferred to the lower byte (bits 7 and 6) and
stored. Bits 5 to 0 are always read as 0.
The correspondence between the analog input channels and ADDR registers is shown in table
20.3.
The ADDR registers can always be read by the CPU. The upper byte can be read directly, but for
the lower byte, data transfer is performed via a temporary register (TEMP). For details, see section
20.3, Interface to Bus Master.
The ADDR registers are initialized to H'0000 by a reset, and in standby mode, watch mode,
subactive mode, subsleep mode, and module stop mode.
Table 20.3 Analog Input Channels and Corresponding ADDR Registers
20.2.2
ADCSR is an 8-bit readable/writable register that controls A/D conversion operations.
ADCSR is initialized to H'00 by a reset, and in standby mode, watch mode, subactive mode,
subsleep mode, and module stop mode.
Group 0
AN0
AN1
AN2
AN3
Bit
Initial value
Read/Write
Note: * Only 0 can be written in bit 7, to clear the flag.
A/D Control/Status Register (ADCSR)
Analog Input Channel
R/(W) *
ADF
7
0
Group 1
AN4
AN5
AN6 or CIN0 to CIN7
AN7 or CIN8 to CIN15
ADIE
R/W
6
0
ADST
R/W
5
0
SCAN
R/W
4
0
A/D Data Register
ADDRA
ADDRB
ADDRC
ADDRD
Rev. 4.00 Sep 27, 2006 page 617 of 1130
CKS
R/W
3
0
CH2
R/W
2
0
Section 20 A/D Converter
CH1
R/W
REJ09B0327-0400
1
0
CH0
R/W
0
0
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