Pin Description
PHYTEC Messtechnik GmbH 2005 L-602e_3
11
Pin Number
Signal
I/O
Description
Pin Row X1C
1C,
2C
P3.2 / /INT0,
P3.4 / T0
I/O
Port pins
µ
C
3C, 4C
/CS1, /CS3
O
Pre-decoded Chip Select signal #1, #3
5C
/WR, P3.6
I/O
/WR signal
µ
C
6C, 7C, 8C
A2, A4, A6
O
Address bus from address latch 1
(A2; A4; A6)
9C,
10C,
11C
A9A17,
A11A19,
A14A22
O
Address bus /upper address lines from µC
12C, 13C,
4C, 15C
AD0, AD2,
AD5, AD7
I/O
Multiplexed address/data bus µC
16C, 17C,
18C
A18, A20,
A22
O
Upper address lines from address latch 2
(A18, A20, A22)
Pin Row X1D
1D
VCC
-
Voltage input +5 VDC
2D, 14D, 15D,
17D, 18D
NC
-
Not used
3D
VPP
-
Porgramming voltage
4D
VBAT
I
Input for connection to external buffer
battery (+)
5D
WDI
I
WDI input of the Reset controller
6D
BOOT
I
Boot = 1 during Reset
→
starts the Boot
sequence
7D,
8D,
9D,
10D,
11D
P1.0,
P1.1,
P1.3,
P1.6 (SCL),
P3.0 (RxD)
I/O
Port pins
µ
C
12D,
13D
P4.0
P4.1
I/O
Port pins
µ
C
16D
SCL
O
I
2
C clock output
Содержание phyCORE-P8xC51Mx2
Страница 1: ...A product of a PHYTEC Technology Holding company phyCORE P8xC51Mx2 Hardware Manual Edition April 2005...
Страница 22: ...phyCORE P8xC51Mx2 14 PHYTEC MMesstechnikGmbH 2005 L 602e_3 Figure 7 Location of the Jumpers Bottom View...
Страница 46: ...phyCORE P8xC51Mx2 38 PHYTEC MMesstechnikGmbH 2005 L 602e_3...
Страница 50: ...phyCORE P8xC51Mx2 42 PHYTEC MMesstechnikGmbH 2005 L 602e_3...
Страница 82: ...Published by PHYTEC Messtechnik GmbH 2005 Ordering No L 602e_3 Printed in Germany...