C Code Option Register - IBM EM78M611E Specification

C Code Option Register

EM78M611E has two Code option registers, which are not part of the normal program
memory. The option bits cannot be accessed during normal program execution.
Address 000:
Bit 12 11
Mnemonic ID_8 ID_7 ID_6 ID_5 ID_4 ID_3 ID_2 ID_1 ID_0 OST_1 OST_0 Frequency /Protect
Address 001:
Bit 5
Mnemonic /AD_Hold
Bit 12
Mnemonic QTP_Code1 QTP_Code0
Address 000:
Bit 1 (Frequency) : Frequency Selection
0 : MCU run on 12 MHz
1 : MCU run on 6 MHz
Bits 3~2 (OST_1 ~ OST_0) : Oscillator start-up time.
00 : 500µs
01 : 2ms
10 : 8ms
11 : 16ms
Bits 4~12 : User ID
Address 001:
Bits 1~0 (Package_1 ~ Package_0) : Package type selection
00 : Not defined
01 : 40 pins
10 : Not defined
11 : 44 pins
Bits 3~2 : Reserved bits
Product Specification (V1.11) 04.20.2007
(This specification is subject to change without further notice)
10 9 8 7
4
/R.S.
11 10
EP2_
Maxsize_2
Universal Serial Bus Series Microcontroller
6 5 4 3
3 2
− − − − − − − −
9
EP2_
Maxsize_1 Maxsize_0
EM78M611E
2 1
1
Package_1 Package_0
8 7
EP2_ EP2_
DIR
0
0
6
EP2_
Enable
• • • • 39