M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 439

• 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

Fig. 20.4.5 Structure of UART1 transmit/receive control register 0
Fig. 20.4.6 Structure of port P8 direction register when using UART1
(2) CTS
b7
b7
____
The M37703 does not have the CTS
to “1”.
Figure 20.4.5 shows the structure of the UART1 transmit/receive control register 0 and Figure 20.4.6
shows the structure of the port P8 direction register when using UART1.
b6
b6
b5
1
b5
1 1
/RTS
____
b4
b4
b3
1
b3
pin
b2
1
b2
b1
b1
b0
b0
UART1 transmit/receive control register 0 (Address 3C
Port P8 direction register (Address 14
7 to 4
Bit
0
2
3
1
Bit
0
1
2
3
4
5
6
7
: Bits 0 to 3 are not used in UART1.
Nothing is assigned.
BRG count source select bits
Fix this bit to “1.”
Transmit register empty flag
Fix these bits to “1.”
CLK
CTS
RxD
TxD
RxD
TxD
____
7702/7703 Group User’s Manual
0
0
0
1
0
1
Corresponding pin
/
RTS
pin
pin
pin
pin
pin
1
/RTS
Bit name
____
0
pin
1
pin. Fix the CTS/RTS select bit (bit 2 at address 3C
16
)
b1 b0
0 0 : f
0 1 : f
1 0 : f
1 1 : f
0 : Data present in transmit register.
1 : No data present in transmit register.
____ ____
1 : Output mode
When using pin P8
input pin (RxD
0 : Input mode
When using pin P8
input pin (RxD
(During transmitting)
(Transmitting completed)
2
16
64
512
16
)
20.4 Functional description
Functions
Functions
0
),set bit 2 to “0.”
1
),set bit 6 to “0.”
2
6
as serial data
7703 GROUP
as serial data
Undefined
At reset
At reset
0
0
0
0
0
0
0
0
0
0
0
1
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
–
20–9
16
)