M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 171

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

(1) Internal/External clock select bit (bit 3)
[Clock synchronous serial I/O mode]
[UART mode]
BRGi: UARTi baud rate register (Refer to section “7.2.6 UARTi baud rate register (BRGi).”)
By clearing this bit to “0” in order to select an internal clock, the clock which is selected with the
BRG count source select bits (bits 0 and 1 at addresses 34
BRGi (described later). The BRGi output of which frequency is divided by 2 becomes the transfer
clock. Additionally, the transfer clock is output from the CLK
By setting this bit to “1” in order to select an external clock, the clock input to the CLK
becomes the transfer clock.
By clearing this bit to “0” in order to select an internal clock, the clock which is selected with the
BRG count source select bits (bits 0 and 1 at addresses 34
the BRGi (described later). Then, the CLK
By setting this bit to “1” in order to select an external clock, the clock input to the CLK
becomes the count source of BRGi.
Always in the UART mode, the BRGi output of which frequency is divided by 16 is the transfer
clock.
7702/7703 Group User’s Manual
i
pin functions as a programmable I/O port.
16
16
, 3C
, 3C
i
pin.
16
16
) becomes the count source of
) becomes the count source of
7.2 Block description
SERIAL I/O
i
i
7–5
pin
pin