UPD78F0138 NEC, UPD78F0138 Datasheet - Page 332

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

15.2 Configuration of Serial Interfaces CSI10 and CSI11
332
SCK10/P10/TxD0
SI10/P11/R
Serial interfaces CSI10 and CSI11 include the following hardware.
f
f
f
f
f
f
X
X
X
X
X
X
X
f
X
/2
/2
/2
/2
/2
/2
D0
/2
Remark n = 0:
2
3
4
5
6
7
Registers
Control registers
Table 15-1. Configuration of Serial Interfaces CSI10 and CSI11
n = 0, 1:
Item
Transmit data
controller
Serial I/O shift
register 10 (SIO10)
Figure 15-1. Block Diagram of Serial Interface CSI10
CHAPTER 15 SERIAL INTERFACES CSI10 AND CSI11
µ
µ
Clock start/stop controller &
PD780131, 780132
PD780133, 780134, 78F0134, 780136, 780138, 78F0138
clock phase controller
8
Transmit controller
Internal bus
Transmit buffer register 1n (SOTB1n)
Serial I/O shift register 1n (SIO1n)
Transmit controller
Clock start/stop controller & clock phase controller
Serial operation mode register 1n (CSIM1n)
Serial clock selection register 1n (CSIC1n)
Port mode register 0 (PM0) or port mode register 1 (PM1)
Port register 0 (P0) or port register 1 (P1)
Output latch
User’s Manual U16228EJ2V0UD
Transmit buffer
register 10 (SOTB10)
8
Configuration
selector
Output
INTCSI10
Output latch
(P12)
PM12
SO10/P12