M306V2 Mitsubishi, M306V2 Datasheet - Page 136

• Manufacturer Part Number: M306V2
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

136
(4) I
The I
These bits control the SCL frequency.
This bit specifies the SCL mode. When this bit is set to “0,” the standard clock mode is set. When the
bit is set to “1,” the high-speed clock mode is set.
This bit sets the SDA status when an ACK clock is generated. When this bit is set to “0,” the ACK
return mode is set and SDA goes to LOW at the occurrence of an ACK clock. When the bit is set to “1,”
the ACK non-return mode is set. The SDA is held in the HIGH status at the occurrence of an ACK
clock.
However, when the slave address matches the address data in the reception of address data at ACK
BIT = “0,” the SDA is automatically made LOW (ACK is returned). If there is a mismatch between the
slave address and the address data, the SDA is automatically made HIGH (ACK is not returned).
This bit specifies a mode of acknowledgment which is an acknowledgment response of data transmis-
sion. When this bit is set to “0,” the no ACK clock mode is set. In this case, no ACK clock occurs after
data transmission. When the bit is set to “1,” the ACK clock mode is set and the master generates an
ACK clock upon completion of each 1-byte data transmission.The device for transmitting address data
and control data releases the SDA at the occurrence of an ACK clock (make SDA HIGH) and receives
the ACK bit generated by the data receiving device.
Note: Do not write data into the I
Bits 0 to 4: SCL frequency control bits (CCR0–CCR4)
Bit 5: SCL mode specification bit (FAST MODE)
Bit 6: ACK bit (ACK BIT)
Bit 7: ACK clock bit (ACK)
2
Ci clock control register (i = 0, 1)
ACK clock: Clock for acknowledgement
2
transmission, the I
Ci clock control register is used to set ACK control, SCL mode and SCL frequency.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
2
Ci clock generator is reset, so that data cannot be transmitted normally.
2
Ci clock control register during transmission. If data is written during
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
M306V2ME-XXXFP
M306V2EEFP
Rev. 1.0