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XA-G37 Datasheet, PDF (24/37 Pages) NXP Semiconductors – XA 16-bit microcontroller family 32K OTP, 512 B RAM, watchdog, 2 UARTs
Philips Semiconductors
XA 16-bit microcontroller family
32K OTP, 512 B RAM, watchdog, 2 UARTs
Product data
XA-G37
AC ELECTRICAL CHARACTERISTICS
VDD = 2.7 V to 5.5 V; Tamb = 0 to +70 °C for commercial, –40 °C to +85 °C for industrial.
SYMBOL FIGURE
PARAMETER
External Clock
fC
tC
22
tCHCX
22
tCLCX
22
tCLCH
22
tCHCL
22
Oscillator frequency
All devices except PXAG37KFx
PXAG37KFx
VDD = 2.85 V to 5.5 V
Tamb = –40 °C to +85 °C
VDD = 2.7 V to 2.85 V
Clock period and CPU timing cycle
Clock high time
Clock low time
Clock rise time
Clock fall time
AC ELECTRICAL CHARACTERISTICS (VDD = 4.5 V TO 5.5 V)
Tamb = 0 to +70 °C for commercial, –40 °C to +85 °C for industrial.
SYMBOL FIGURE
PARAMETER
Address Cycle
tCRAR
21
tLHLL
16
tAVLL
16
tLLAX
16
Code Read Cycle
tPLPH
16
tLLPL
16
tAVIVA
16
tAVIVB
17
tPLIV
16
tPXIX
16
tPXIZ
16
tIXUA
16
Data Read Cycle
tRLRH
18
tLLRL
18
tAVDVA
18
tAVDVB
19
tRLDV
18
tRHDX
18
tRHDZ
18
tDXUA
18
Data Write Cycle
tWLWH
20
tLLWL
20
tQVWX
20
tWHQX
20
tAVWL
20
tUAWH
20
Wait Input
tWTH
21
tWTL
21
NOTES ON PAGE 23.
Delay from clock rising edge to ALE rising edge
ALE pulse width (programmable)
Address valid to ALE de-asserted (set-up)
Address hold after ALE de-asserted
PSEN pulse width
ALE de-asserted to PSEN asserted
Address valid to instruction valid, ALE cycle (access time)
Address valid to instruction valid, non-ALE cycle (access time)
PSEN asserted to instruction valid (enable time)
Instruction hold after PSEN de-asserted
Bus 3-State after PSEN de-asserted (disable time)
Hold time of unlatched part of address after instruction latched
RD pulse width
ALE de-asserted to RD asserted
Address valid to data input valid, ALE cycle (access time)
Address valid to data input valid, non-ALE cycle (access time)
RD low to valid data in, enable time
Data hold time after RD de-asserted
Bus 3-State after RD de-asserted (disable time)
Hold time of unlatched part of address after data latched
WR pulse width
ALE falling edge to WR asserted
Data valid before WR asserted (data setup time)
Data hold time after WR de-asserted (Note 6)
Address valid to WR asserted (address setup time) (Note 5)
Hold time of unlatched part of address after WR is de-asserted
WAIT stable after bus strobe (RD, WR, or PSEN) asserted
WAIT hold after bus strobe (RD, WR, or PSEN) assertion
2002 Mar 25
22
VARIABLE CLOCK
MIN
MAX
UNIT
0
0
0
1/fC
tC * 0.5
tC * 0.4
30
MHz
30
MHz
25
MHz
ns
ns
ns
5
ns
5
ns
VARIABLE CLOCK
MIN
MAX
UNIT
10
46
ns
(V1 * tC) – 6
ns
(V1 * tC) – 12
ns
(tC/2) – 10
ns
(V2 * tC) – 10
ns
(tC/2) – 7
ns
(V3 * tC) – 36
ns
(V4 * tC) – 29
ns
(V2 * tC) – 29
ns
0
ns
tC – 8
ns
0
ns
(V7 * tC) – 10
ns
(tC/2) – 7
ns
(V6 * tC) – 36
ns
(V5 * tC) – 29
ns
(V7 * tC) – 29
ns
0
ns
tC – 8
ns
0
ns
(V8 * tC) – 10
ns
(V12 * tC) – 10
ns
(V13 * tC) – 22
ns
(V11 * tC) – 5
ns
(V9 * tC) – 22
ns
(V11 * tC) – 7
ns
(V10 * tC) – 30 ns
(V10 * tC) – 5
ns