tmp88fw45afg TOSHIBA Semiconductor CORPORATION, tmp88fw45afg Datasheet - Page 213

• Manufacturer Part Number: tmp88fw45afg
• Description: 8 Bit Microcontroller Tlcs-870/x Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

17. Synchronous Serial Interface (SIO)
17.1
receive data buffer that can automatically and continuously transfer up to 64 bits of data.
The TMP88FW45AFG has a clocked-synchronous 8-bit serial interface. Serial interface has an 8-byte transmit and
Serial interface is connected to outside peripheral devices via SO, SI, SCK port.
Configuration
SIO control / status register
SIOSR
INTSIO interrupt request
SIOCR1
Control circuit
Figure 17-1 Serial Interface
Shift
clock
Shift register
Page 199
7
SIOCR2
8-bit transfer
Buffer control
circuit
6
Serial clock
5
4
3
receive data buffer
4-bit transfer
(8 bytes in DBR)
Transmit and
2
CPU
1
0
TMP88FW45AFG
Serial data output
Serial data input
Serial clock I/O
SO
SI
SCK