DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 646

• Manufacturer Part Number: DF2148BTE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148BTE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SCI, X-Bus
• Peripherals: 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148BTE20; HD64F2148BTE20

Section 21 A/D Converter
Bit
2
1
0
Note:
21.3.3
ADCR enables A/D conversion started by an external trigger signal.
Bit
7
6
5 to 0 —
Rev. 3.00 Mar 21, 2006 page 590 of 788
REJ09B0300-0300
Bit Name
CH2
CH1
CH0
Bit Name
TRGS1
TRGS0
* Only 0 can be written for clearing the flag.
A/D Control Register (ADCR)
Initial Value
0
0
0
Initial Value
0
0
All 1
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
Description
Channel Select 2 to 0
Select analog input channels. The input channel
setting must be made when conversion is halted
(ADST = 0).
When SCAN = 0:
000: AN0
001: AN1
010: AN2
011: AN3
100: AN4
101: AN5
110: AN6, or CIN0 to CIN7
111: AN7, or CIN8 to CIN15
Description
Timer Trigger Select 1 and 0
Enable the start of A/D conversion by a trigger signal.
Only set bits TRGS1 and TRGS0 when conversion is
halted (ADST = 0).
00: A/D conversion start by external trigger is disabled
01: A/D conversion start by external trigger is disabled
10: A/D conversion start by conversion trigger from
11: A/D conversion start by ADTRG pin is enabled
Reserved
These bits are always read as 1 and cannot be
modified.
TMR is enabled
When SCAN = 1:
000: AN0
001: AN0 and AN1
010: AN0 to AN2
011: AN0 to AN3
100: AN4
101: AN4 and AN5
110: AN4 to AN6 or
CIN0 to CIN7
111: AN4 to AN6 or
CIN0 to CIN7, or AN7
or CIN8 to CIN15