
M44C510E
Rev. A1, 04-May-00
Preliminary Information
2 (60)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SC
L
IN
BPC
0
BP0
0
BP1
2
BP1
1
BP1
0
OSCIN
OSCOUT
BP0
1
BP0
2
BP0
3
NRS
T
V
SS
VDD
BP4
3
BP4
2
BP4
1
BP4
0
BP
B
3
BP
B
2
BP
B
1
BP
B
0
BP
70
BP
71
BP
72
BP
73
BP5
3
BP5
2
BP5
1
BP5
0
TI
M
1
BP
A
3
BP
A
2
BP
A
1
BP
A
0
TE
AVD
D
BP
61
BP
60
21
22
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
23
24
41
42
43
44
BPC1
BP
13
VS
S
BPC3
BPC2
M44C510E
Figure 2. Pin connections SSO44-package
Table 1. Pin description
Name
Function
VDD
Power supply voltage +2.2 V to +6.2 V
AVDD
Analog power supply voltage +2.2 V to +6.2V
VSS
Circuit ground
BP00 – BP03
4 I/O lines of Port 0 – automatic nibblewise configurable
BP10 – BP13
4 I/O lines of Port 1(*) – automatic nibblewise configurable
BP50 – BP53
4 I/O lines of high current Port 5(*) – bitwise configurable
BP70 – BP73
4 I/O lines of high current Port 7(*) – bitwise configurable
BPA0 – BPA3
4 I/O lines of Port A(*) – bitwise configurable, as inputs for port monitor module and optional
coded reset inputs (*)
BPB0 – BPB3
4 I/O lines of Port B(*) – bitwise configurable I/O and as inputs for port monitor module
BPC0 – BPC3
4 I/O lines of Port C (*) – bitwise configurable I/O
BP60 – BP61
2 I/O lines of Port 6 (*) – bitwise configurable I/O or as external programmable interrupts
BP40
(T0OUT0)
I/O line BP40 of Port 4(*) – configurable or timer/counter I/O T0OUT0
BP41
(T0OUT1)
I/O line BP41 of Port 4(*) – configurable or timer/counter I/O T0OUT1
BP42 (BUZ)
High current I/O line BP42 of Port 4(*) – configurable or buzzer output BUZ
BP43 (NBUZ)
High current I/O line BP43 of Port 4(*) – configurable or buzzer output NBUZ
TIM1
Dedicated I/O for Timer 1
SCLIN
External trimming resistor or external clock input
OSCIN
32-kHz quartz crystal or 4-MHz quartz crystal input pin
OSCOUT
32-kHz quartz crystal or 4-MHz quartz crystal output pin
TE
Testmode input, used to control the production test modes (internal pull-down)
NRST
Reset input (/output), a logic low on this pin resets the device. An internal watchdog or coded
reset can generate a low pulse on this pin.
(*) For mask options, please see the order information.