HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 194

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

Rev. 0, 07/98, page 178 of 453
Transmit
data
Transmit
clock
Transmit
data
Transmit
clock
Idle state
Transmit character writing
16, 32, or 64 clock cycles
Start bit transmission
Start bit
(b) 1/16, 1/32 or 1/64 Clock Mode
D
Figure 5.14 Transmission Operation
0
(a) 1/1 Clock Mode
D
Character transmission
1
D
0
D
6
D
7
D
7
Parity bit
transmission
P
P
Stop bit
transmission
P: Parity bit
P: Parity bit
Stop bit(s)
Idle state