UPD78F0138 NEC, UPD78F0138 Datasheet - Page 337

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

Cautions 1. When the Ring-OSC clock is selected as the clock supplied to the CPU, the clock of the Ring-
Remarks 1. Figures in parentheses are for operation with fx = 10 MHz
2. f
2. Do not write to CSIC10 while CSIE10 = 1 (operation enabled).
3. Clear CKP10 to 0 to use P10/SCK10/TxD0, P11/SI10/RxD0, and P12/SO10 as general-purpose
4. The phase type of the data clock is type 1 after reset.
X
OSC oscillator is divided and supplied as the serial clock. At this time, the operation of serial
interface CSI10 is not guaranteed.
port pins.
: X1 input clock oscillation frequency
CHAPTER 15 SERIAL INTERFACES CSI10 AND CSI11
User’s Manual U16228EJ2V0UD
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