Name: Renesas RL78 Series
Brand: Renesas
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RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT

R01UH0368EJ0210 Rev.2.10 962

Dec 10, 2015

Figure 15-121. Example of Contents of Registers for UART Transmission of UART

(UART0, UART1) (2/2)

(e) Serial output register m (SOm) … Sets only the bits of the target channel.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

SOm

CKOm1

CKOm0

SOm1

SOm0

0/1

Note

0: Serial data output value is 0

1: Serial data output value is 1

(f) Serial output enable register m (SOEm) … Sets only the bits of the target channel to 1.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

SOEm

SOEm1

SOEm0

0/1

(g) Serial channel start register m (SSm) … Sets only the bits of the target channel to 1.

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

SSm

SSm1

SSm0

0/1

Note Before transmission is started, be sure to set to 1 when the SOLmn bit of the target channel is set to 0, and

set to 0 when the SOLmn bit of the target channel is set to 1. The value varies depending on the

communication data during communication operation.

Remarks 1. m: Unit number (m = 0, 1), n: Channel number (n = 0), mn = 00, 10

2. : Setting disabled (set to the initial value)

×: Bit that cannot be used in this mode (set to the initial value when not used in any mode)

0/1: Set to 0 or 1 depending on the usage of the user

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