H8S2110B RENESAS [Renesas Technology Corp], H8S2110B Datasheet - Page 309

• Manufacturer Part Number: H8S2110B
• Description: Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 13.1 shows a block diagram of the I
pin connections to external circuits. Since I
normal port pins, they have different specifications for permissible applied voltages. For details,
see section 21, Electrical Characteristics.
φ
SCL
SDA
Legend:
ICCR:
ICMR:
ICSR:
ICDR:
ICXR:
SAR:
SARX:
PS:
canceler
canceler
Noise
Noise
PS
Figure 13.1 Block Diagram of I
I 2 C bus control register
I 2 C bus mode register
I 2 C bus status register
I 2 C bus data register
I 2 C bus extended control register
Slave address register
Slave address register X
Prescaler
Output data
Arbitration
Bus state
decision
decision
control
Clock
control
circuit
circuit
circuit
2
2
C bus interface. Figure 13.2 shows an example of I/O
C bus interface I/O pins are different in structure from
Rev. 2.00 Mar 21, 2006 page 271 of 518
2
C Bus Interface
SAR, SARX
comparator
generator
Section 13 I
Address
Interrupt
ICDRS
ICDRR
ICDRT
ICMR
ICXR
ICCR
ICSR
2
C Bus Interface (IIC)
REJ09B0299-0200
Interrupt
request