Clock Output / Clock Output Pin Control Register - Panasonic MN101L Series User Manual

7.2.11

Clock output / Clock output pin control Register

Clock output / Clock output pin control register selects output clock and changes between General IO (GIO) and
clock output.
Clock output / Clock output pin control Register (CLKOUT: 0x03F3E)
bp 7
Bit name -
At reset 0
Access R
bp Bit name
7-4 -
CLKOCNT
3-2
1-0
1 CLKOSEL
0 CLKOEN
6 5 4
- -
0 0 0
R R R
Always read as 0.
Select output clock
00: SCLK
01: HCLK
10: SYSCLK
11: Time base timer output clock for RTC
Select the output pin of clock output function
0: CLKOUTA (P05)
1: CLKOUTB (P57)
Select the pin function (GIO or clock output)
0: GIO
1: Clock output (CLKOUTA/CLKOUTB)
3 2
- CLKOCNT1-0
0 0
R/W R/W
Description
Chapter 7
I/O Port
1 0
CLKO
CLKOEN
SEL
0 0
R/W R/W
Control Registers VII - 29