Appendix B: Models and Accessories
45
P13
Pin #
Function
P13
Pin #
Function
1
EMUCS
11
EN_OF signal
2
EMUIRQ
12
RESET signal
3
HIZ
13
CSB1 - upper RAM
chip select
4
Data bit 21
14
CSB0 - lower RAM
chip select
5
Flash chip select
(CSA0)
15
Data bus D20
6
UDS signal
16
Data bus D19
7
LDS signal
17
Data bus D18
8
LWE_LB signal
18
Data bus D17
9
UWE_UB signal
19
Data bus D16
10
RW signal
20
GND
P14
Pin #
Function
P14
Pin #
Function
1
NC
11
Data bus D8
2
NC
12
Data bus D7
3
CLK0 (clock out signal)
13
Data bus D6
4
Data bus D15
14
Data bus D5
5
Data bus D14
15
Data bus D4
6
Data bus D13
16
Data bus D3
7
Data bus D12
17
Data bus D2
8
Data bus D11
18
Data bus D1
9
Data bus D10
19
Data bus D0
10
Data bus D9
20
GND
