DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 512

• 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 16 I
Rev. 3.00 Mar 21, 2006 page 456 of 788
REJ09B0300-0300
User processing
(master output)
(master output)
(master output)
(master output)
(slave output)
(slave output)
User processing
Figure 16.17 Example of Stop Condition Issuance Timing in Master Receive Mode
SCL
SDA
SDA
ICDR
SDA
IRTR
SCL
IRIC
SDA
Master tansmit mode
IRTR
ICDR
IRIC
Data 2
2
[1] TRS cleared to 0
C Bus Interface (IIC) (Optional)
Figure 16.16 Example of Master Receive Mode Operation Timing
Bit 0
8
9
A
IRIC cleard to 0
[4] IRTR=0
[3]
Data 1
[6] IRIC clear
Master receive mode
A
[4] IRTR=1
[7] Set ACKB=1
9
[8] Wait for one clock pulse
[3]
[2] ICDR read
Bit 7
1
(dummy read)
Bit 7
[9] Set TRS=1
1
(MLS = ACKB = 0, WAIT = 1)
(MLS = ACKB = 0, WAIT = 1)
Bit 6
[10] ICDR read (Data 2)
2
Bit 6
2
Bit 5
3
Bit 5
3
Data 3
Data 1
Bit 4
[11] IRIC clear
4
Bit 4
Data 2
4
Bit 3
5
Bit 3
5
Bit 2
6
Bit 2
6
Bit 1
7
Bit 1
Bit 0
7
[6] IRIC clear
(to end wait insertion)
8
Bit 0
[4]IRTR=0
[3]
[14] IRIC clear
8
[13] IRTR=0
[12]
A
A
[15] WAIT cleared
[4] IRTR=1
9
[3]
[5] ICDR read
[12]
[13] IRTR=1
to 0, IRIC clear
9
Bit 7
Data 1
(Data 1)
[17] Stop condition
1
issuance
Bit 6
Data 3
2
Stop condition generation
Data 2
[6] IRIC clear
Bit 5
[16] ICDR read
3
(Data 3)
Bit 4
4
Bit 3
5