HD64F2145BTE20 Renesas Electronics America, HD64F2145BTE20 Datasheet - Page 514
HD64F2145BTE20
Manufacturer Part Number
HD64F2145BTE20
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of HD64F2145BTE20
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
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
-
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Section 16 I
Rev. 3.00 Mar 21, 2006 page 458 of 788
REJ09B0300-0300
Figure 16.18 Sample Flowchart for Operations in Slave Receive Mode (HNDS = 1)
2
C Bus Interface (IIC) (Optional)
Read AASX, AAS and ADZ in ICSR
Read ICDR, clear IRIC flag
No
No
No
Clear IRIC flag in ICCR
Read IRIC flag in ICCR
Read IRIC flag in ICCR
Clear IRIC flag in ICCR
Read IRIC flag in ICCR
Read IRIC flag in ICCR
Set ACKB = 1 in ICSR
and TRS = 0 in ICCR
Set ACKB = 0 in ICSR
and HNDS = 1 in ICXR
Slave receive mode
Clear IRIC in ICCR
Read TRS in ICCR
Last reception?
and ADZ = 1?
Set MST = 0
Initialize IIC
ICDRF
Read ICDR
Read ICDR
TRS = 1?
IRIC
IRIC
IRIC
AAS = 1
End
= 1?
= 1?
= 1?
Yes
Yes
Yes
= 1?
Yes
No
No
No
No
Yes
Yes
Yes
[2] Read the receive data remaining unread.
[1] Initialization. Select slave receive mode.
[3] to [7] Wait for one byte to be received (slave address + R/W)
[10] Read the receive data. The first read is a dummy read.
[5] to [7] Wait for the reception to end.
[8] Clear IRIC
[10] Read the receive data.
[8] Clear IRIC flag.
[9] Set acknowledge data for the last reception.
[11] Detect stop condition
[12] Clear IRIC flag.
Slave transmit mode
General call address processing
* Description omitted
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