em78p210n ELAN Microelectronics Corp, em78p210n Datasheet - Page 25

• Manufacturer Part Number: em78p210n
• Description: 8-bit Microcontroller With Otp Rom
• Manufacturer: ELAN Microelectronics Corp

Product Specification (V1.2) 04.22.2008
(This specification is subject to change without further notice)
6.2.29 Bank 3-R5 (Timer Clock/Counter)
6.2.30 Bank 3-R6 (IRC Control)-only for ICE
Bits 7 ~ 2:
[With Simulator (C3~C0, RCM1~RCM0)]: IRC calibration bits in IRC oscillator mode.
[With EM78P210N]:
Bits 7 ~ 4 (C3 ~ C0):
Bits 3 ~ 2 (RCM1 ~ RCM0):
Bits 1 ~ 0: are not used, fixed to "0" all the time.
EM78P210N
ICE210N
Incremented by an external signal edge through the TCC pin, or by the instruction
External signal of TCC trigger pulse width must be greater than one instruction.
The signals to increment the counter are determined by Bit 4 and Bit 5 of the
Writable and readable as any other registers.
cycle clock.
CONT register.
Bit
C3
‘0’
7
IRC mode selection bits and IRC calibration bits.
Calibrator of internal RC mode
Unimplemented, read as ‘0’.
In IRC oscillator mode of the ICE210N simulator, these are the
1. Frequency values shown are theoretical and taken at an instance of
2. Similar way of calculation is also applicable to low frequency mode.
C3
a high frequency mode. Hence, frequency values are shown for
reference only. Definite values depend on the actual process.
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
C2
‘0’
6
IRC mode selection bits
RCM 1
C2
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
C1
‘0’
1
1
0
0
5
C1
C0
0
0
1
1
0
0
1
1
1
1
0
0
1
1
0
0
‘0’
8-Bit Microcontroller with OTP ROM
4
RCM 0
1
0
1
0
RCM1
C0
‘0’
3
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
RCM0
‘0’
Frequency (MHz)
2
(1-36%) × F
(1-31.5%) × F
(1-27%) × F
(1-22.5%) × F
(1-18%) × F
(1-13.5%) × F
(1-9%) × F
(1-4.5%) × F
F (default)
(1+4.5%) × F
(1+9%) × F
(1+135%) × F
(1+18%) × F
(1+22.5%) × F
(1+27%) × F
(1+31.5%) × F
Frequency (MHz)
4 (default)
16
1
455kHz
EM78P210N
‘0’
‘0’
1
‘0’
‘0’
0
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